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Finding the Fourth Proportional to 964.28, 1,444.50 and 733.56

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Solution

The fourth proportional to 964.28, 1,444.50 and 733.56 is: 1,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.28 : 1,444.50 = 733.56 : x
  2. Step 2: Convert to fraction form
    964.28/1,444.50 = 733.56/x
  3. Step 3: Cross multiply
    964.28x = 1,444.50 × 733.56
  4. Step 4: Simplify right side
    964.28x = 1,059,627.42
  5. Step 5: Solve for x
    x = 1,059,627.42/964.28
  6. Step 6: Final answer
    x = 1,098.88

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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.