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Finding the Fourth Proportional to 8,009.54, 11,053.31 and 4,651.13

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Solution

The fourth proportional to 8,009.54, 11,053.31 and 4,651.13 is: 6,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.54 : 11,053.31 = 4,651.13 : x
  2. Step 2: Convert to fraction form
    8,009.54/11,053.31 = 4,651.13/x
  3. Step 3: Cross multiply
    8,009.54x = 11,053.31 × 4,651.13
  4. Step 4: Simplify right side
    8,009.54x = 51,410,303.22
  5. Step 5: Solve for x
    x = 51,410,303.22/8,009.54
  6. Step 6: Final answer
    x = 6,418.64

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Double scale
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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.