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Finding the Fourth Proportional to 69,952.80, 96,532.05 and 38,121.02

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Solution

The fourth proportional to 69,952.80, 96,532.05 and 38,121.02 is: 52,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.80 : 96,532.05 = 38,121.02 : x
  2. Step 2: Convert to fraction form
    69,952.80/96,532.05 = 38,121.02/x
  3. Step 3: Cross multiply
    69,952.80x = 96,532.05 × 38,121.02
  4. Step 4: Simplify right side
    69,952.80x = 3,679,899,726.03
  5. Step 5: Solve for x
    x = 3,679,899,726.03/69,952.80
  6. Step 6: Final answer
    x = 52,605.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.