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Finding the Fourth Proportional to 48,508.70, 72,765.48 and 17,343.95

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Solution

The fourth proportional to 48,508.70, 72,765.48 and 17,343.95 is: 26,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,508.70 : 72,765.48 = 17,343.95 : x
  2. Step 2: Convert to fraction form
    48,508.70/72,765.48 = 17,343.95/x
  3. Step 3: Cross multiply
    48,508.70x = 72,765.48 × 17,343.95
  4. Step 4: Simplify right side
    48,508.70x = 1,262,040,846.85
  5. Step 5: Solve for x
    x = 1,262,040,846.85/48,508.70
  6. Step 6: Final answer
    x = 26,016.79

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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.