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Finding the Fourth Proportional to 60,679.13, 83,740.07 and 33,821.82

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Solution

The fourth proportional to 60,679.13, 83,740.07 and 33,821.82 is: 46,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679.13 : 83,740.07 = 33,821.82 : x
  2. Step 2: Convert to fraction form
    60,679.13/83,740.07 = 33,821.82/x
  3. Step 3: Cross multiply
    60,679.13x = 83,740.07 × 33,821.82
  4. Step 4: Simplify right side
    60,679.13x = 2,832,241,405.22
  5. Step 5: Solve for x
    x = 2,832,241,405.22/60,679.13
  6. Step 6: Final answer
    x = 46,675.71

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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.