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Finding the Fourth Proportional to 4,387.29, 6,577.02 and 1,613.29

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Solution

The fourth proportional to 4,387.29, 6,577.02 and 1,613.29 is: 2,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.29 : 6,577.02 = 1,613.29 : x
  2. Step 2: Convert to fraction form
    4,387.29/6,577.02 = 1,613.29/x
  3. Step 3: Cross multiply
    4,387.29x = 6,577.02 × 1,613.29
  4. Step 4: Simplify right side
    4,387.29x = 10,610,659.52
  5. Step 5: Solve for x
    x = 10,610,659.52/4,387.29
  6. Step 6: Final answer
    x = 2,418.50

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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.