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Finding the Fourth Proportional to 57,684.57, 86,600.66 and 48,974.82

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Solution

The fourth proportional to 57,684.57, 86,600.66 and 48,974.82 is: 73,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.57 : 86,600.66 = 48,974.82 : x
  2. Step 2: Convert to fraction form
    57,684.57/86,600.66 = 48,974.82/x
  3. Step 3: Cross multiply
    57,684.57x = 86,600.66 × 48,974.82
  4. Step 4: Simplify right side
    57,684.57x = 4,241,251,490.51
  5. Step 5: Solve for x
    x = 4,241,251,490.51/57,684.57
  6. Step 6: Final answer
    x = 73,524.89

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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.