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Finding the Fourth Proportional to 38,701.80, 57,975.90 and 22,266.60

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Solution

The fourth proportional to 38,701.80, 57,975.90 and 22,266.60 is: 33,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701.80 : 57,975.90 = 22,266.60 : x
  2. Step 2: Convert to fraction form
    38,701.80/57,975.90 = 22,266.60/x
  3. Step 3: Cross multiply
    38,701.80x = 57,975.90 × 22,266.60
  4. Step 4: Simplify right side
    38,701.80x = 1,290,926,174.94
  5. Step 5: Solve for x
    x = 1,290,926,174.94/38,701.80
  6. Step 6: Final answer
    x = 33,355.71

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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.