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Finding the Fourth Proportional to 63,265.92, 87,313.38 and 36,409.56

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Solution

The fourth proportional to 63,265.92, 87,313.38 and 36,409.56 is: 50,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,265.92 : 87,313.38 = 36,409.56 : x
  2. Step 2: Convert to fraction form
    63,265.92/87,313.38 = 36,409.56/x
  3. Step 3: Cross multiply
    63,265.92x = 87,313.38 × 36,409.56
  4. Step 4: Simplify right side
    63,265.92x = 3,179,041,747.91
  5. Step 5: Solve for x
    x = 3,179,041,747.91/63,265.92
  6. Step 6: Final answer
    x = 50,248.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.