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Finding the Fourth Proportional to 8,008.74, 11,051.73 and 5,654.07

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Solution

The fourth proportional to 8,008.74, 11,051.73 and 5,654.07 is: 7,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.74 : 11,051.73 = 5,654.07 : x
  2. Step 2: Convert to fraction form
    8,008.74/11,051.73 = 5,654.07/x
  3. Step 3: Cross multiply
    8,008.74x = 11,051.73 × 5,654.07
  4. Step 4: Simplify right side
    8,008.74x = 62,487,255.04
  5. Step 5: Solve for x
    x = 62,487,255.04/8,008.74
  6. Step 6: Final answer
    x = 7,802.38

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Find fourth proportional to 4,004.37, 5,525.87 and 2,827.04
Half scale
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Double scale
Find fourth proportional to 8,009.74, 11,053.11 and 5,655.07
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.