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Finding the Fourth Proportional to 966.08, 1,446.40 and 735.92

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Solution

The fourth proportional to 966.08, 1,446.40 and 735.92 is: 1,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.08 : 1,446.40 = 735.92 : x
  2. Step 2: Convert to fraction form
    966.08/1,446.40 = 735.92/x
  3. Step 3: Cross multiply
    966.08x = 1,446.40 × 735.92
  4. Step 4: Simplify right side
    966.08x = 1,064,434.69
  5. Step 5: Solve for x
    x = 1,064,434.69/966.08
  6. Step 6: Final answer
    x = 1,101.81

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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.