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Finding the Fourth Proportional to 48,671.68, 73,007.04 and 15,391.74

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Solution

The fourth proportional to 48,671.68, 73,007.04 and 15,391.74 is: 23,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,671.68 : 73,007.04 = 15,391.74 : x
  2. Step 2: Convert to fraction form
    48,671.68/73,007.04 = 15,391.74/x
  3. Step 3: Cross multiply
    48,671.68x = 73,007.04 × 15,391.74
  4. Step 4: Simplify right side
    48,671.68x = 1,123,705,377.85
  5. Step 5: Solve for x
    x = 1,123,705,377.85/48,671.68
  6. Step 6: Final answer
    x = 23,087.46

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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.