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Finding the Fourth Proportional to 62,769.84, 86,626.62 and 34,475.82

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Solution

The fourth proportional to 62,769.84, 86,626.62 and 34,475.82 is: 47,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,769.84 : 86,626.62 = 34,475.82 : x
  2. Step 2: Convert to fraction form
    62,769.84/86,626.62 = 34,475.82/x
  3. Step 3: Cross multiply
    62,769.84x = 86,626.62 × 34,475.82
  4. Step 4: Simplify right side
    62,769.84x = 2,986,523,758.33
  5. Step 5: Solve for x
    x = 2,986,523,758.33/62,769.84
  6. Step 6: Final answer
    x = 47,578.96

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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.