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Finding the Fourth Proportional to 48,474.60, 72,675.90 and 25,117.80

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Solution

The fourth proportional to 48,474.60, 72,675.90 and 25,117.80 is: 37,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,474.60 : 72,675.90 = 25,117.80 : x
  2. Step 2: Convert to fraction form
    48,474.60/72,675.90 = 25,117.80/x
  3. Step 3: Cross multiply
    48,474.60x = 72,675.90 × 25,117.80
  4. Step 4: Simplify right side
    48,474.60x = 1,825,458,721.02
  5. Step 5: Solve for x
    x = 1,825,458,721.02/48,474.60
  6. Step 6: Final answer
    x = 37,658.05

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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.