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Finding the Fourth Proportional to 56,616.60, 85,022.10 and 36,982.20

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Solution

The fourth proportional to 56,616.60, 85,022.10 and 36,982.20 is: 55,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.60 : 85,022.10 = 36,982.20 : x
  2. Step 2: Convert to fraction form
    56,616.60/85,022.10 = 36,982.20/x
  3. Step 3: Cross multiply
    56,616.60x = 85,022.10 × 36,982.20
  4. Step 4: Simplify right side
    56,616.60x = 3,144,304,306.62
  5. Step 5: Solve for x
    x = 3,144,304,306.62/56,616.60
  6. Step 6: Final answer
    x = 55,536.79

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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.