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Finding the Fourth Proportional to 63,847.28, 88,085.26 and 36,979.98

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Solution

The fourth proportional to 63,847.28, 88,085.26 and 36,979.98 is: 51,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,847.28 : 88,085.26 = 36,979.98 : x
  2. Step 2: Convert to fraction form
    63,847.28/88,085.26 = 36,979.98/x
  3. Step 3: Cross multiply
    63,847.28x = 88,085.26 × 36,979.98
  4. Step 4: Simplify right side
    63,847.28x = 3,257,391,153.09
  5. Step 5: Solve for x
    x = 3,257,391,153.09/63,847.28
  6. Step 6: Final answer
    x = 51,018.48

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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.