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Finding the Fourth Proportional to 60,597.72, 90,866.36 and 38,394.18

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Solution

The fourth proportional to 60,597.72, 90,866.36 and 38,394.18 is: 57,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,597.72 : 90,866.36 = 38,394.18 : x
  2. Step 2: Convert to fraction form
    60,597.72/90,866.36 = 38,394.18/x
  3. Step 3: Cross multiply
    60,597.72x = 90,866.36 × 38,394.18
  4. Step 4: Simplify right side
    60,597.72x = 3,488,739,381.78
  5. Step 5: Solve for x
    x = 3,488,739,381.78/60,597.72
  6. Step 6: Final answer
    x = 57,572.12

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1.5x scale

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.