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Finding the Fourth Proportional to 63,249.59, 87,302.79 and 36,411.05

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Solution

The fourth proportional to 63,249.59, 87,302.79 and 36,411.05 is: 50,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,249.59 : 87,302.79 = 36,411.05 : x
  2. Step 2: Convert to fraction form
    63,249.59/87,302.79 = 36,411.05/x
  3. Step 3: Cross multiply
    63,249.59x = 87,302.79 × 36,411.05
  4. Step 4: Simplify right side
    63,249.59x = 3,178,785,815.32
  5. Step 5: Solve for x
    x = 3,178,785,815.32/63,249.59
  6. Step 6: Final answer
    x = 50,257.81

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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.