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Finding the Fourth Proportional to 963.95, 1,446.84 and 700.61

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Solution

The fourth proportional to 963.95, 1,446.84 and 700.61 is: 1,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.95 : 1,446.84 = 700.61 : x
  2. Step 2: Convert to fraction form
    963.95/1,446.84 = 700.61/x
  3. Step 3: Cross multiply
    963.95x = 1,446.84 × 700.61
  4. Step 4: Simplify right side
    963.95x = 1,013,663.34
  5. Step 5: Solve for x
    x = 1,013,663.34/963.95
  6. Step 6: Final answer
    x = 1,051.58

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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.