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Finding the Fourth Proportional to 1,744.47, 2,616.03 and 574.43

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Solution

The fourth proportional to 1,744.47, 2,616.03 and 574.43 is: 861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.47 : 2,616.03 = 574.43 : x
  2. Step 2: Convert to fraction form
    1,744.47/2,616.03 = 574.43/x
  3. Step 3: Cross multiply
    1,744.47x = 2,616.03 × 574.43
  4. Step 4: Simplify right side
    1,744.47x = 1,502,713.03
  5. Step 5: Solve for x
    x = 1,502,713.03/1,744.47
  6. Step 6: Final answer
    x = 861.42

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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.