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Finding the Fourth Proportional to 60,687.97, 91,042.90 and 18,567.26

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Solution

The fourth proportional to 60,687.97, 91,042.90 and 18,567.26 is: 27,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687.97 : 91,042.90 = 18,567.26 : x
  2. Step 2: Convert to fraction form
    60,687.97/91,042.90 = 18,567.26/x
  3. Step 3: Cross multiply
    60,687.97x = 91,042.90 × 18,567.26
  4. Step 4: Simplify right side
    60,687.97x = 1,690,417,330.22
  5. Step 5: Solve for x
    x = 1,690,417,330.22/60,687.97
  6. Step 6: Final answer
    x = 27,854.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.