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Finding the Fourth Proportional to 24,499.68, 36,755.12 and 19,520.80

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Solution

The fourth proportional to 24,499.68, 36,755.12 and 19,520.80 is: 29,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,499.68 : 36,755.12 = 19,520.80 : x
  2. Step 2: Convert to fraction form
    24,499.68/36,755.12 = 19,520.80/x
  3. Step 3: Cross multiply
    24,499.68x = 36,755.12 × 19,520.80
  4. Step 4: Simplify right side
    24,499.68x = 717,489,346.50
  5. Step 5: Solve for x
    x = 717,489,346.50/24,499.68
  6. Step 6: Final answer
    x = 29,285.66

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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.