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Finding the Fourth Proportional to 48,655.30, 72,982.51 and 15,375.37

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Solution

The fourth proportional to 48,655.30, 72,982.51 and 15,375.37 is: 23,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.30 : 72,982.51 = 15,375.37 : x
  2. Step 2: Convert to fraction form
    48,655.30/72,982.51 = 15,375.37/x
  3. Step 3: Cross multiply
    48,655.30x = 72,982.51 × 15,375.37
  4. Step 4: Simplify right side
    48,655.30x = 1,122,132,729.87
  5. Step 5: Solve for x
    x = 1,122,132,729.87/48,655.30
  6. Step 6: Final answer
    x = 23,062.91

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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.