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Finding the Fourth Proportional to 63,147.27, 94,736.49 and 18,773.82

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Solution

The fourth proportional to 63,147.27, 94,736.49 and 18,773.82 is: 28,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.27 : 94,736.49 = 18,773.82 : x
  2. Step 2: Convert to fraction form
    63,147.27/94,736.49 = 18,773.82/x
  3. Step 3: Cross multiply
    63,147.27x = 94,736.49 × 18,773.82
  4. Step 4: Simplify right side
    63,147.27x = 1,778,565,810.69
  5. Step 5: Solve for x
    x = 1,778,565,810.69/63,147.27
  6. Step 6: Final answer
    x = 28,165.36

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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.