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Finding the Fourth Proportional to 1,546.52, 2,319.02 and 725.18

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Solution

The fourth proportional to 1,546.52, 2,319.02 and 725.18 is: 1,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.52 : 2,319.02 = 725.18 : x
  2. Step 2: Convert to fraction form
    1,546.52/2,319.02 = 725.18/x
  3. Step 3: Cross multiply
    1,546.52x = 2,319.02 × 725.18
  4. Step 4: Simplify right side
    1,546.52x = 1,681,706.92
  5. Step 5: Solve for x
    x = 1,681,706.92/1,546.52
  6. Step 6: Final answer
    x = 1,087.41

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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.