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Finding the Fourth Proportional to 48,408.98, 72,458.07 and 25,863.32

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Solution

The fourth proportional to 48,408.98, 72,458.07 and 25,863.32 is: 38,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.98 : 72,458.07 = 25,863.32 : x
  2. Step 2: Convert to fraction form
    48,408.98/72,458.07 = 25,863.32/x
  3. Step 3: Cross multiply
    48,408.98x = 72,458.07 × 25,863.32
  4. Step 4: Simplify right side
    48,408.98x = 1,874,006,000.31
  5. Step 5: Solve for x
    x = 1,874,006,000.31/48,408.98
  6. Step 6: Final answer
    x = 38,711.95

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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.