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Finding the Fourth Proportional to 29,470.36, 44,212.56 and 8,693.88

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Solution

The fourth proportional to 29,470.36, 44,212.56 and 8,693.88 is: 13,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.36 : 44,212.56 = 8,693.88 : x
  2. Step 2: Convert to fraction form
    29,470.36/44,212.56 = 8,693.88/x
  3. Step 3: Cross multiply
    29,470.36x = 44,212.56 × 8,693.88
  4. Step 4: Simplify right side
    29,470.36x = 384,378,691.13
  5. Step 5: Solve for x
    x = 384,378,691.13/29,470.36
  6. Step 6: Final answer
    x = 13,042.89

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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.