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Finding the Fourth Proportional to 60,474.08, 90,694.72 and 38,254.08

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Solution

The fourth proportional to 60,474.08, 90,694.72 and 38,254.08 is: 57,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,474.08 : 90,694.72 = 38,254.08 : x
  2. Step 2: Convert to fraction form
    60,474.08/90,694.72 = 38,254.08/x
  3. Step 3: Cross multiply
    60,474.08x = 90,694.72 × 38,254.08
  4. Step 4: Simplify right side
    60,474.08x = 3,469,443,074.46
  5. Step 5: Solve for x
    x = 3,469,443,074.46/60,474.08
  6. Step 6: Final answer
    x = 57,370.75

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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.