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Finding the Fourth Proportional to 21,839.56, 32,753.66 and 6,253.56

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Solution

The fourth proportional to 21,839.56, 32,753.66 and 6,253.56 is: 9,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.56 : 32,753.66 = 6,253.56 : x
  2. Step 2: Convert to fraction form
    21,839.56/32,753.66 = 6,253.56/x
  3. Step 3: Cross multiply
    21,839.56x = 32,753.66 × 6,253.56
  4. Step 4: Simplify right side
    21,839.56x = 204,826,978.03
  5. Step 5: Solve for x
    x = 204,826,978.03/21,839.56
  6. Step 6: Final answer
    x = 9,378.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.