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Finding the Fourth Proportional to 32,061.12, 48,091.68 and 8,687.55

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Solution

The fourth proportional to 32,061.12, 48,091.68 and 8,687.55 is: 13,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,061.12 : 48,091.68 = 8,687.55 : x
  2. Step 2: Convert to fraction form
    32,061.12/48,091.68 = 8,687.55/x
  3. Step 3: Cross multiply
    32,061.12x = 48,091.68 × 8,687.55
  4. Step 4: Simplify right side
    32,061.12x = 417,798,874.58
  5. Step 5: Solve for x
    x = 417,798,874.58/32,061.12
  6. Step 6: Final answer
    x = 13,031.33

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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.