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Finding the Fourth Proportional to 32,520.75, 48,781.11 and 9,147.18

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Solution

The fourth proportional to 32,520.75, 48,781.11 and 9,147.18 is: 13,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,520.75 : 48,781.11 = 9,147.18 : x
  2. Step 2: Convert to fraction form
    32,520.75/48,781.11 = 9,147.18/x
  3. Step 3: Cross multiply
    32,520.75x = 48,781.11 × 9,147.18
  4. Step 4: Simplify right side
    32,520.75x = 446,209,593.77
  5. Step 5: Solve for x
    x = 446,209,593.77/32,520.75
  6. Step 6: Final answer
    x = 13,720.77

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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.