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Finding the Fourth Proportional to 63,092.80, 94,619.76 and 20,963.89

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Solution

The fourth proportional to 63,092.80, 94,619.76 and 20,963.89 is: 31,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,092.80 : 94,619.76 = 20,963.89 : x
  2. Step 2: Convert to fraction form
    63,092.80/94,619.76 = 20,963.89/x
  3. Step 3: Cross multiply
    63,092.80x = 94,619.76 × 20,963.89
  4. Step 4: Simplify right side
    63,092.80x = 1,983,598,240.47
  5. Step 5: Solve for x
    x = 1,983,598,240.47/63,092.80
  6. Step 6: Final answer
    x = 31,439.38

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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.