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Finding the Fourth Proportional to 62,766.72, 86,613 and 34,473.84

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Solution

The fourth proportional to 62,766.72, 86,613 and 34,473.84 is: 47,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,766.72 : 86,613 = 34,473.84 : x
  2. Step 2: Convert to fraction form
    62,766.72/86,613 = 34,473.84/x
  3. Step 3: Cross multiply
    62,766.72x = 86,613 × 34,473.84
  4. Step 4: Simplify right side
    62,766.72x = 2,985,882,703.92
  5. Step 5: Solve for x
    x = 2,985,882,703.92/62,766.72
  6. Step 6: Final answer
    x = 47,571.11

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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.