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Finding the Fourth Proportional to 62,571.78, 93,873.05 and 18,198.92

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Solution

The fourth proportional to 62,571.78, 93,873.05 and 18,198.92 is: 27,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.78 : 93,873.05 = 18,198.92 : x
  2. Step 2: Convert to fraction form
    62,571.78/93,873.05 = 18,198.92/x
  3. Step 3: Cross multiply
    62,571.78x = 93,873.05 × 18,198.92
  4. Step 4: Simplify right side
    62,571.78x = 1,708,387,566.75
  5. Step 5: Solve for x
    x = 1,708,387,566.75/62,571.78
  6. Step 6: Final answer
    x = 27,302.84

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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.