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Finding the Fourth Proportional to 8,485.59, 11,712.51 and 5,968.29

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Solution

The fourth proportional to 8,485.59, 11,712.51 and 5,968.29 is: 8,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.59 : 11,712.51 = 5,968.29 : x
  2. Step 2: Convert to fraction form
    8,485.59/11,712.51 = 5,968.29/x
  3. Step 3: Cross multiply
    8,485.59x = 11,712.51 × 5,968.29
  4. Step 4: Simplify right side
    8,485.59x = 69,903,656.31
  5. Step 5: Solve for x
    x = 69,903,656.31/8,485.59
  6. Step 6: Final answer
    x = 8,237.93

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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.