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Finding the Fourth Proportional to 3,167.92, 4,744.98 and 2,613.88

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Solution

The fourth proportional to 3,167.92, 4,744.98 and 2,613.88 is: 3,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.92 : 4,744.98 = 2,613.88 : x
  2. Step 2: Convert to fraction form
    3,167.92/4,744.98 = 2,613.88/x
  3. Step 3: Cross multiply
    3,167.92x = 4,744.98 × 2,613.88
  4. Step 4: Simplify right side
    3,167.92x = 12,402,808.32
  5. Step 5: Solve for x
    x = 12,402,808.32/3,167.92
  6. Step 6: Final answer
    x = 3,915.13

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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.