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Finding the Fourth Proportional to 69,957.91, 96,542.25 and 39,744.89

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Solution

The fourth proportional to 69,957.91, 96,542.25 and 39,744.89 is: 54,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,957.91 : 96,542.25 = 39,744.89 : x
  2. Step 2: Convert to fraction form
    69,957.91/96,542.25 = 39,744.89/x
  3. Step 3: Cross multiply
    69,957.91x = 96,542.25 × 39,744.89
  4. Step 4: Simplify right side
    69,957.91x = 3,837,060,836.88
  5. Step 5: Solve for x
    x = 3,837,060,836.88/69,957.91
  6. Step 6: Final answer
    x = 54,848.13

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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.