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Finding the Fourth Proportional to 39,935.79, 59,917.79 and 17,747.15

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Solution

The fourth proportional to 39,935.79, 59,917.79 and 17,747.15 is: 26,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.79 : 59,917.79 = 17,747.15 : x
  2. Step 2: Convert to fraction form
    39,935.79/59,917.79 = 17,747.15/x
  3. Step 3: Cross multiply
    39,935.79x = 59,917.79 × 17,747.15
  4. Step 4: Simplify right side
    39,935.79x = 1,063,369,751.58
  5. Step 5: Solve for x
    x = 1,063,369,751.58/39,935.79
  6. Step 6: Final answer
    x = 26,626.99

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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.