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Finding the Fourth Proportional to 48,349.62, 72,512.12 and 15,063.48

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Solution

The fourth proportional to 48,349.62, 72,512.12 and 15,063.48 is: 22,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.62 : 72,512.12 = 15,063.48 : x
  2. Step 2: Convert to fraction form
    48,349.62/72,512.12 = 15,063.48/x
  3. Step 3: Cross multiply
    48,349.62x = 72,512.12 × 15,063.48
  4. Step 4: Simplify right side
    48,349.62x = 1,092,284,431.50
  5. Step 5: Solve for x
    x = 1,092,284,431.50/48,349.62
  6. Step 6: Final answer
    x = 22,591.38

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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.