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Finding the Fourth Proportional to 39,959.92, 59,946.32 and 15,001.88

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Solution

The fourth proportional to 39,959.92, 59,946.32 and 15,001.88 is: 22,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959.92 : 59,946.32 = 15,001.88 : x
  2. Step 2: Convert to fraction form
    39,959.92/59,946.32 = 15,001.88/x
  3. Step 3: Cross multiply
    39,959.92x = 59,946.32 × 15,001.88
  4. Step 4: Simplify right side
    39,959.92x = 899,307,499.08
  5. Step 5: Solve for x
    x = 899,307,499.08/39,959.92
  6. Step 6: Final answer
    x = 22,505.24

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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.