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Finding the Fourth Proportional to 63,267.92, 87,316.14 and 36,411.56

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Solution

The fourth proportional to 63,267.92, 87,316.14 and 36,411.56 is: 50,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,267.92 : 87,316.14 = 36,411.56 : x
  2. Step 2: Convert to fraction form
    63,267.92/87,316.14 = 36,411.56/x
  3. Step 3: Cross multiply
    63,267.92x = 87,316.14 × 36,411.56
  4. Step 4: Simplify right side
    63,267.92x = 3,179,316,870.58
  5. Step 5: Solve for x
    x = 3,179,316,870.58/63,267.92
  6. Step 6: Final answer
    x = 50,251.64

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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.