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Finding the Fourth Proportional to 60,397.91, 90,604.07 and 29,210.75

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Solution

The fourth proportional to 60,397.91, 90,604.07 and 29,210.75 is: 43,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,397.91 : 90,604.07 = 29,210.75 : x
  2. Step 2: Convert to fraction form
    60,397.91/90,604.07 = 29,210.75/x
  3. Step 3: Cross multiply
    60,397.91x = 90,604.07 × 29,210.75
  4. Step 4: Simplify right side
    60,397.91x = 2,646,612,837.75
  5. Step 5: Solve for x
    x = 2,646,612,837.75/60,397.91
  6. Step 6: Final answer
    x = 43,819.61

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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.