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Finding the Fourth Proportional to 48,571.74, 72,867.96 and 27,521.88

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Solution

The fourth proportional to 48,571.74, 72,867.96 and 27,521.88 is: 41,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,571.74 : 72,867.96 = 27,521.88 : x
  2. Step 2: Convert to fraction form
    48,571.74/72,867.96 = 27,521.88/x
  3. Step 3: Cross multiply
    48,571.74x = 72,867.96 × 27,521.88
  4. Step 4: Simplify right side
    48,571.74x = 2,005,463,250.96
  5. Step 5: Solve for x
    x = 2,005,463,250.96/48,571.74
  6. Step 6: Final answer
    x = 41,288.68

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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.