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Finding the Fourth Proportional to 48,854.67, 73,280.79 and 13,793.82

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Solution

The fourth proportional to 48,854.67, 73,280.79 and 13,793.82 is: 20,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,854.67 : 73,280.79 = 13,793.82 : x
  2. Step 2: Convert to fraction form
    48,854.67/73,280.79 = 13,793.82/x
  3. Step 3: Cross multiply
    48,854.67x = 73,280.79 × 13,793.82
  4. Step 4: Simplify right side
    48,854.67x = 1,010,822,026.72
  5. Step 5: Solve for x
    x = 1,010,822,026.72/48,854.67
  6. Step 6: Final answer
    x = 20,690.39

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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.