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Finding the Fourth Proportional to 62,791.38, 86,674.84 and 41,577.48

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Solution

The fourth proportional to 62,791.38, 86,674.84 and 41,577.48 is: 57,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,791.38 : 86,674.84 = 41,577.48 : x
  2. Step 2: Convert to fraction form
    62,791.38/86,674.84 = 41,577.48/x
  3. Step 3: Cross multiply
    62,791.38x = 86,674.84 × 41,577.48
  4. Step 4: Simplify right side
    62,791.38x = 3,603,721,426.60
  5. Step 5: Solve for x
    x = 3,603,721,426.60/62,791.38
  6. Step 6: Final answer
    x = 57,391.98

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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.