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Finding the Fourth Proportional to 3,305.52, 4,957.52 and 964.92

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Solution

The fourth proportional to 3,305.52, 4,957.52 and 964.92 is: 1,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.52 : 4,957.52 = 964.92 : x
  2. Step 2: Convert to fraction form
    3,305.52/4,957.52 = 964.92/x
  3. Step 3: Cross multiply
    3,305.52x = 4,957.52 × 964.92
  4. Step 4: Simplify right side
    3,305.52x = 4,783,610.20
  5. Step 5: Solve for x
    x = 4,783,610.20/3,305.52
  6. Step 6: Final answer
    x = 1,447.16

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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.