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Finding the Fourth Proportional to 60,706.80, 83,769.26 and 33,846.78

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Solution

The fourth proportional to 60,706.80, 83,769.26 and 33,846.78 is: 46,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,706.80 : 83,769.26 = 33,846.78 : x
  2. Step 2: Convert to fraction form
    60,706.80/83,769.26 = 33,846.78/x
  3. Step 3: Cross multiply
    60,706.80x = 83,769.26 × 33,846.78
  4. Step 4: Simplify right side
    60,706.80x = 2,835,319,713.98
  5. Step 5: Solve for x
    x = 2,835,319,713.98/60,706.80
  6. Step 6: Final answer
    x = 46,705.14

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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.