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Finding the Fourth Proportional to 63,851.19, 95,791.78 and 19,477.94

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Solution

The fourth proportional to 63,851.19, 95,791.78 and 19,477.94 is: 29,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.19 : 95,791.78 = 19,477.94 : x
  2. Step 2: Convert to fraction form
    63,851.19/95,791.78 = 19,477.94/x
  3. Step 3: Cross multiply
    63,851.19x = 95,791.78 × 19,477.94
  4. Step 4: Simplify right side
    63,851.19x = 1,865,826,543.33
  5. Step 5: Solve for x
    x = 1,865,826,543.33/63,851.19
  6. Step 6: Final answer
    x = 29,221.48

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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.