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Finding the Fourth Proportional to 60,718.36, 83,791.79 and 33,862.61

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Solution

The fourth proportional to 60,718.36, 83,791.79 and 33,862.61 is: 46,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.36 : 83,791.79 = 33,862.61 : x
  2. Step 2: Convert to fraction form
    60,718.36/83,791.79 = 33,862.61/x
  3. Step 3: Cross multiply
    60,718.36x = 83,791.79 × 33,862.61
  4. Step 4: Simplify right side
    60,718.36x = 2,837,408,705.97
  5. Step 5: Solve for x
    x = 2,837,408,705.97/60,718.36
  6. Step 6: Final answer
    x = 46,730.65

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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.