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Finding the Fourth Proportional to 22,704.80, 34,057.20 and 8,853.80

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Solution

The fourth proportional to 22,704.80, 34,057.20 and 8,853.80 is: 13,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.80 : 34,057.20 = 8,853.80 : x
  2. Step 2: Convert to fraction form
    22,704.80/34,057.20 = 8,853.80/x
  3. Step 3: Cross multiply
    22,704.80x = 34,057.20 × 8,853.80
  4. Step 4: Simplify right side
    22,704.80x = 301,535,637.36
  5. Step 5: Solve for x
    x = 301,535,637.36/22,704.80
  6. Step 6: Final answer
    x = 13,280.70

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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.