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Finding the Fourth Proportional to 63,794, 95,711.16 and 28,736.72

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Solution

The fourth proportional to 63,794, 95,711.16 and 28,736.72 is: 43,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,794 : 95,711.16 = 28,736.72 : x
  2. Step 2: Convert to fraction form
    63,794/95,711.16 = 28,736.72/x
  3. Step 3: Cross multiply
    63,794x = 95,711.16 × 28,736.72
  4. Step 4: Simplify right side
    63,794x = 2,750,424,805.80
  5. Step 5: Solve for x
    x = 2,750,424,805.80/63,794
  6. Step 6: Final answer
    x = 43,114.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.