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Finding the Fourth Proportional to 39,761.59, 54,871.11 and 22,766.10

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Solution

The fourth proportional to 39,761.59, 54,871.11 and 22,766.10 is: 31,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.59 : 54,871.11 = 22,766.10 : x
  2. Step 2: Convert to fraction form
    39,761.59/54,871.11 = 22,766.10/x
  3. Step 3: Cross multiply
    39,761.59x = 54,871.11 × 22,766.10
  4. Step 4: Simplify right side
    39,761.59x = 1,249,201,194.15
  5. Step 5: Solve for x
    x = 1,249,201,194.15/39,761.59
  6. Step 6: Final answer
    x = 31,417.28

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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.