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Finding the Fourth Proportional to 963.08, 1,446.06 and 929.48

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Solution

The fourth proportional to 963.08, 1,446.06 and 929.48 is: 1,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.08 : 1,446.06 = 929.48 : x
  2. Step 2: Convert to fraction form
    963.08/1,446.06 = 929.48/x
  3. Step 3: Cross multiply
    963.08x = 1,446.06 × 929.48
  4. Step 4: Simplify right side
    963.08x = 1,344,083.85
  5. Step 5: Solve for x
    x = 1,344,083.85/963.08
  6. Step 6: Final answer
    x = 1,395.61

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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.