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Finding the Fourth Proportional to 7,658.11, 11,487.14 and 2,463.98

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Solution

The fourth proportional to 7,658.11, 11,487.14 and 2,463.98 is: 3,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.11 : 11,487.14 = 2,463.98 : x
  2. Step 2: Convert to fraction form
    7,658.11/11,487.14 = 2,463.98/x
  3. Step 3: Cross multiply
    7,658.11x = 11,487.14 × 2,463.98
  4. Step 4: Simplify right side
    7,658.11x = 28,304,070.90
  5. Step 5: Solve for x
    x = 28,304,070.90/7,658.11
  6. Step 6: Final answer
    x = 3,695.96

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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.