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Finding the Fourth Proportional to 48,507.98, 72,761.93 and 15,230.65

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Solution

The fourth proportional to 48,507.98, 72,761.93 and 15,230.65 is: 22,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.98 : 72,761.93 = 15,230.65 : x
  2. Step 2: Convert to fraction form
    48,507.98/72,761.93 = 15,230.65/x
  3. Step 3: Cross multiply
    48,507.98x = 72,761.93 × 15,230.65
  4. Step 4: Simplify right side
    48,507.98x = 1,108,211,489.15
  5. Step 5: Solve for x
    x = 1,108,211,489.15/48,507.98
  6. Step 6: Final answer
    x = 22,845.96

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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.