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Finding the Fourth Proportional to 22,720.88, 34,084.42 and 7,927.62

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Solution

The fourth proportional to 22,720.88, 34,084.42 and 7,927.62 is: 11,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.88 : 34,084.42 = 7,927.62 : x
  2. Step 2: Convert to fraction form
    22,720.88/34,084.42 = 7,927.62/x
  3. Step 3: Cross multiply
    22,720.88x = 34,084.42 × 7,927.62
  4. Step 4: Simplify right side
    22,720.88x = 270,208,309.86
  5. Step 5: Solve for x
    x = 270,208,309.86/22,720.88
  6. Step 6: Final answer
    x = 11,892.51

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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.