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Finding the Fourth Proportional to 22,711.85, 34,047.78 and 8,851.13

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Solution

The fourth proportional to 22,711.85, 34,047.78 and 8,851.13 is: 13,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.85 : 34,047.78 = 8,851.13 : x
  2. Step 2: Convert to fraction form
    22,711.85/34,047.78 = 8,851.13/x
  3. Step 3: Cross multiply
    22,711.85x = 34,047.78 × 8,851.13
  4. Step 4: Simplify right side
    22,711.85x = 301,361,156.75
  5. Step 5: Solve for x
    x = 301,361,156.75/22,711.85
  6. Step 6: Final answer
    x = 13,268.90

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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.