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Finding the Fourth Proportional to 60,791.63, 83,888.42 and 38,129.63

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Solution

The fourth proportional to 60,791.63, 83,888.42 and 38,129.63 is: 52,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,791.63 : 83,888.42 = 38,129.63 : x
  2. Step 2: Convert to fraction form
    60,791.63/83,888.42 = 38,129.63/x
  3. Step 3: Cross multiply
    60,791.63x = 83,888.42 × 38,129.63
  4. Step 4: Simplify right side
    60,791.63x = 3,198,633,805.79
  5. Step 5: Solve for x
    x = 3,198,633,805.79/60,791.63
  6. Step 6: Final answer
    x = 52,616.36

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1.5x scale

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.