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Finding the Fourth Proportional to 61,671.40, 92,414.94 and 33,931.24

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Solution

The fourth proportional to 61,671.40, 92,414.94 and 33,931.24 is: 50,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,671.40 : 92,414.94 = 33,931.24 : x
  2. Step 2: Convert to fraction form
    61,671.40/92,414.94 = 33,931.24/x
  3. Step 3: Cross multiply
    61,671.40x = 92,414.94 × 33,931.24
  4. Step 4: Simplify right side
    61,671.40x = 3,135,753,508.73
  5. Step 5: Solve for x
    x = 3,135,753,508.73/61,671.40
  6. Step 6: Final answer
    x = 50,846.15

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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.