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Finding the Fourth Proportional to 62,768.88, 86,620.25 and 34,472.75

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Solution

The fourth proportional to 62,768.88, 86,620.25 and 34,472.75 is: 47,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768.88 : 86,620.25 = 34,472.75 : x
  2. Step 2: Convert to fraction form
    62,768.88/86,620.25 = 34,472.75/x
  3. Step 3: Cross multiply
    62,768.88x = 86,620.25 × 34,472.75
  4. Step 4: Simplify right side
    62,768.88x = 2,986,037,876.27
  5. Step 5: Solve for x
    x = 2,986,037,876.27/62,768.88
  6. Step 6: Final answer
    x = 47,571.95

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1.5x scale

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.