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Finding the Fourth Proportional to 60,875.44, 91,333.66 and 38,359.97

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Solution

The fourth proportional to 60,875.44, 91,333.66 and 38,359.97 is: 57,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,875.44 : 91,333.66 = 38,359.97 : x
  2. Step 2: Convert to fraction form
    60,875.44/91,333.66 = 38,359.97/x
  3. Step 3: Cross multiply
    60,875.44x = 91,333.66 × 38,359.97
  4. Step 4: Simplify right side
    60,875.44x = 3,503,555,905.02
  5. Step 5: Solve for x
    x = 3,503,555,905.02/60,875.44
  6. Step 6: Final answer
    x = 57,552.87

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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.