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Finding the Fourth Proportional to 8,463.64, 12,700.02 and 3,536.66

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Solution

The fourth proportional to 8,463.64, 12,700.02 and 3,536.66 is: 5,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.64 : 12,700.02 = 3,536.66 : x
  2. Step 2: Convert to fraction form
    8,463.64/12,700.02 = 3,536.66/x
  3. Step 3: Cross multiply
    8,463.64x = 12,700.02 × 3,536.66
  4. Step 4: Simplify right side
    8,463.64x = 44,915,652.73
  5. Step 5: Solve for x
    x = 44,915,652.73/8,463.64
  6. Step 6: Final answer
    x = 5,306.90

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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.