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Finding the Fourth Proportional to 966.56, 1,451.04 and 706.56

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Solution

The fourth proportional to 966.56, 1,451.04 and 706.56 is: 1,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.56 : 1,451.04 = 706.56 : x
  2. Step 2: Convert to fraction form
    966.56/1,451.04 = 706.56/x
  3. Step 3: Cross multiply
    966.56x = 1,451.04 × 706.56
  4. Step 4: Simplify right side
    966.56x = 1,025,246.82
  5. Step 5: Solve for x
    x = 1,025,246.82/966.56
  6. Step 6: Final answer
    x = 1,060.72

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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.