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Finding the Fourth Proportional to 63,726.09, 87,948.72 and 36,504.35

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Solution

The fourth proportional to 63,726.09, 87,948.72 and 36,504.35 is: 50,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,726.09 : 87,948.72 = 36,504.35 : x
  2. Step 2: Convert to fraction form
    63,726.09/87,948.72 = 36,504.35/x
  3. Step 3: Cross multiply
    63,726.09x = 87,948.72 × 36,504.35
  4. Step 4: Simplify right side
    63,726.09x = 3,210,510,856.93
  5. Step 5: Solve for x
    x = 3,210,510,856.93/63,726.09
  6. Step 6: Final answer
    x = 50,379.85

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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.