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Finding the Fourth Proportional to 59,349.30, 81,940.28 and 52,964.97

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Solution

The fourth proportional to 59,349.30, 81,940.28 and 52,964.97 is: 73,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,349.30 : 81,940.28 = 52,964.97 : x
  2. Step 2: Convert to fraction form
    59,349.30/81,940.28 = 52,964.97/x
  3. Step 3: Cross multiply
    59,349.30x = 81,940.28 × 52,964.97
  4. Step 4: Simplify right side
    59,349.30x = 4,339,964,207.17
  5. Step 5: Solve for x
    x = 4,339,964,207.17/59,349.30
  6. Step 6: Final answer
    x = 73,125.79

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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.