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Finding the Fourth Proportional to 60,497.81, 90,765.17 and 30,936.41

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Solution

The fourth proportional to 60,497.81, 90,765.17 and 30,936.41 is: 46,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.81 : 90,765.17 = 30,936.41 : x
  2. Step 2: Convert to fraction form
    60,497.81/90,765.17 = 30,936.41/x
  3. Step 3: Cross multiply
    60,497.81x = 90,765.17 × 30,936.41
  4. Step 4: Simplify right side
    60,497.81x = 2,807,948,512.84
  5. Step 5: Solve for x
    x = 2,807,948,512.84/60,497.81
  6. Step 6: Final answer
    x = 46,414.05

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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.