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Finding the Fourth Proportional to 63,559.86, 87,720.40 and 36,702.32

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Solution

The fourth proportional to 63,559.86, 87,720.40 and 36,702.32 is: 50,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,559.86 : 87,720.40 = 36,702.32 : x
  2. Step 2: Convert to fraction form
    63,559.86/87,720.40 = 36,702.32/x
  3. Step 3: Cross multiply
    63,559.86x = 87,720.40 × 36,702.32
  4. Step 4: Simplify right side
    63,559.86x = 3,219,542,191.33
  5. Step 5: Solve for x
    x = 3,219,542,191.33/63,559.86
  6. Step 6: Final answer
    x = 50,653.70

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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.