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Finding the Fourth Proportional to 1,744, 2,616.72 and 1,060

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Solution

The fourth proportional to 1,744, 2,616.72 and 1,060 is: 1,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744 : 2,616.72 = 1,060 : x
  2. Step 2: Convert to fraction form
    1,744/2,616.72 = 1,060/x
  3. Step 3: Cross multiply
    1,744x = 2,616.72 × 1,060
  4. Step 4: Simplify right side
    1,744x = 2,773,723.20
  5. Step 5: Solve for x
    x = 2,773,723.20/1,744
  6. Step 6: Final answer
    x = 1,590.44

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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.