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Finding the Fourth Proportional to 48,049.48, 72,015.72 and 34,013.48

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Solution

The fourth proportional to 48,049.48, 72,015.72 and 34,013.48 is: 50,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049.48 : 72,015.72 = 34,013.48 : x
  2. Step 2: Convert to fraction form
    48,049.48/72,015.72 = 34,013.48/x
  3. Step 3: Cross multiply
    48,049.48x = 72,015.72 × 34,013.48
  4. Step 4: Simplify right side
    48,049.48x = 2,449,505,251.91
  5. Step 5: Solve for x
    x = 2,449,505,251.91/48,049.48
  6. Step 6: Final answer
    x = 50,978.81

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1.5x scale

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.