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Finding the Fourth Proportional to 62,361.80, 86,059.20 and 34,067.48

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Solution

The fourth proportional to 62,361.80, 86,059.20 and 34,067.48 is: 47,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,361.80 : 86,059.20 = 34,067.48 : x
  2. Step 2: Convert to fraction form
    62,361.80/86,059.20 = 34,067.48/x
  3. Step 3: Cross multiply
    62,361.80x = 86,059.20 × 34,067.48
  4. Step 4: Simplify right side
    62,361.80x = 2,931,820,074.82
  5. Step 5: Solve for x
    x = 2,931,820,074.82/62,361.80
  6. Step 6: Final answer
    x = 47,013.08

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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.