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Finding the Fourth Proportional to 67,253.70, 92,806.55 and 38,571.88

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Solution

The fourth proportional to 67,253.70, 92,806.55 and 38,571.88 is: 53,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.70 : 92,806.55 = 38,571.88 : x
  2. Step 2: Convert to fraction form
    67,253.70/92,806.55 = 38,571.88/x
  3. Step 3: Cross multiply
    67,253.70x = 92,806.55 × 38,571.88
  4. Step 4: Simplify right side
    67,253.70x = 3,579,722,916.95
  5. Step 5: Solve for x
    x = 3,579,722,916.95/67,253.70
  6. Step 6: Final answer
    x = 53,227.15

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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.