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Finding the Fourth Proportional to 8,066.32, 12,101.90 and 2,520.24

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Solution

The fourth proportional to 8,066.32, 12,101.90 and 2,520.24 is: 3,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.32 : 12,101.90 = 2,520.24 : x
  2. Step 2: Convert to fraction form
    8,066.32/12,101.90 = 2,520.24/x
  3. Step 3: Cross multiply
    8,066.32x = 12,101.90 × 2,520.24
  4. Step 4: Simplify right side
    8,066.32x = 30,499,692.46
  5. Step 5: Solve for x
    x = 30,499,692.46/8,066.32
  6. Step 6: Final answer
    x = 3,781.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.