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Finding the Fourth Proportional to 22,713.18, 34,069.46 and 7,922.04

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Solution

The fourth proportional to 22,713.18, 34,069.46 and 7,922.04 is: 11,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.18 : 34,069.46 = 7,922.04 : x
  2. Step 2: Convert to fraction form
    22,713.18/34,069.46 = 7,922.04/x
  3. Step 3: Cross multiply
    22,713.18x = 34,069.46 × 7,922.04
  4. Step 4: Simplify right side
    22,713.18x = 269,899,457.53
  5. Step 5: Solve for x
    x = 269,899,457.53/22,713.18
  6. Step 6: Final answer
    x = 11,882.95

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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.