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Finding the Fourth Proportional to 63,591.91, 87,746.64 and 36,729.46

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Solution

The fourth proportional to 63,591.91, 87,746.64 and 36,729.46 is: 50,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,591.91 : 87,746.64 = 36,729.46 : x
  2. Step 2: Convert to fraction form
    63,591.91/87,746.64 = 36,729.46/x
  3. Step 3: Cross multiply
    63,591.91x = 87,746.64 × 36,729.46
  4. Step 4: Simplify right side
    63,591.91x = 3,222,886,704.01
  5. Step 5: Solve for x
    x = 3,222,886,704.01/63,591.91
  6. Step 6: Final answer
    x = 50,680.77

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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.