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Finding the Fourth Proportional to 48,657.88, 72,986.37 and 15,377.95

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Solution

The fourth proportional to 48,657.88, 72,986.37 and 15,377.95 is: 23,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,657.88 : 72,986.37 = 15,377.95 : x
  2. Step 2: Convert to fraction form
    48,657.88/72,986.37 = 15,377.95/x
  3. Step 3: Cross multiply
    48,657.88x = 72,986.37 × 15,377.95
  4. Step 4: Simplify right side
    48,657.88x = 1,122,380,748.54
  5. Step 5: Solve for x
    x = 1,122,380,748.54/48,657.88
  6. Step 6: Final answer
    x = 23,066.78

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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.