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Finding the Fourth Proportional to 10,532.52, 15,789.02 and 3,963.06

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Solution

The fourth proportional to 10,532.52, 15,789.02 and 3,963.06 is: 5,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.52 : 15,789.02 = 3,963.06 : x
  2. Step 2: Convert to fraction form
    10,532.52/15,789.02 = 3,963.06/x
  3. Step 3: Cross multiply
    10,532.52x = 15,789.02 × 3,963.06
  4. Step 4: Simplify right side
    10,532.52x = 62,572,813.79
  5. Step 5: Solve for x
    x = 62,572,813.79/10,532.52
  6. Step 6: Final answer
    x = 5,940.92

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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.