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Finding the Fourth Proportional to 963.54, 1,443.96 and 702

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Solution

The fourth proportional to 963.54, 1,443.96 and 702 is: 1,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.54 : 1,443.96 = 702 : x
  2. Step 2: Convert to fraction form
    963.54/1,443.96 = 702/x
  3. Step 3: Cross multiply
    963.54x = 1,443.96 × 702
  4. Step 4: Simplify right side
    963.54x = 1,013,659.92
  5. Step 5: Solve for x
    x = 1,013,659.92/963.54
  6. Step 6: Final answer
    x = 1,052.02

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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.