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Finding the Fourth Proportional to 963.37, 1,445.87 and 732.52

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Solution

The fourth proportional to 963.37, 1,445.87 and 732.52 is: 1,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.37 : 1,445.87 = 732.52 : x
  2. Step 2: Convert to fraction form
    963.37/1,445.87 = 732.52/x
  3. Step 3: Cross multiply
    963.37x = 1,445.87 × 732.52
  4. Step 4: Simplify right side
    963.37x = 1,059,128.69
  5. Step 5: Solve for x
    x = 1,059,128.69/963.37
  6. Step 6: Final answer
    x = 1,099.40

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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.