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Finding the Fourth Proportional to 8,658.62, 12,983.27 and 4,488.29

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Solution

The fourth proportional to 8,658.62, 12,983.27 and 4,488.29 is: 6,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.62 : 12,983.27 = 4,488.29 : x
  2. Step 2: Convert to fraction form
    8,658.62/12,983.27 = 4,488.29/x
  3. Step 3: Cross multiply
    8,658.62x = 12,983.27 × 4,488.29
  4. Step 4: Simplify right side
    8,658.62x = 58,272,704.45
  5. Step 5: Solve for x
    x = 58,272,704.45/8,658.62
  6. Step 6: Final answer
    x = 6,730.02

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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.