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Finding the Fourth Proportional to 22,757.60, 34,136.40 and 22,527.20

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Solution

The fourth proportional to 22,757.60, 34,136.40 and 22,527.20 is: 33,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,757.60 : 34,136.40 = 22,527.20 : x
  2. Step 2: Convert to fraction form
    22,757.60/34,136.40 = 22,527.20/x
  3. Step 3: Cross multiply
    22,757.60x = 34,136.40 × 22,527.20
  4. Step 4: Simplify right side
    22,757.60x = 768,997,510.08
  5. Step 5: Solve for x
    x = 768,997,510.08/22,757.60
  6. Step 6: Final answer
    x = 33,790.80

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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.