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Finding the Fourth Proportional to 69,958.61, 96,542.95 and 38,127.53

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Solution

The fourth proportional to 69,958.61, 96,542.95 and 38,127.53 is: 52,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958.61 : 96,542.95 = 38,127.53 : x
  2. Step 2: Convert to fraction form
    69,958.61/96,542.95 = 38,127.53/x
  3. Step 3: Cross multiply
    69,958.61x = 96,542.95 × 38,127.53
  4. Step 4: Simplify right side
    69,958.61x = 3,680,944,222.41
  5. Step 5: Solve for x
    x = 3,680,944,222.41/69,958.61
  6. Step 6: Final answer
    x = 52,616.03

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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.