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Finding the Fourth Proportional to 60,372.57, 90,572.29 and 19,847.92

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Solution

The fourth proportional to 60,372.57, 90,572.29 and 19,847.92 is: 29,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,372.57 : 90,572.29 = 19,847.92 : x
  2. Step 2: Convert to fraction form
    60,372.57/90,572.29 = 19,847.92/x
  3. Step 3: Cross multiply
    60,372.57x = 90,572.29 × 19,847.92
  4. Step 4: Simplify right side
    60,372.57x = 1,797,671,571.55
  5. Step 5: Solve for x
    x = 1,797,671,571.55/60,372.57
  6. Step 6: Final answer
    x = 29,776.30

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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.