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Finding the Fourth Proportional to 23,743.80, 35,542.80 and 22,431.60

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Solution

The fourth proportional to 23,743.80, 35,542.80 and 22,431.60 is: 33,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,743.80 : 35,542.80 = 22,431.60 : x
  2. Step 2: Convert to fraction form
    23,743.80/35,542.80 = 22,431.60/x
  3. Step 3: Cross multiply
    23,743.80x = 35,542.80 × 22,431.60
  4. Step 4: Simplify right side
    23,743.80x = 797,281,872.48
  5. Step 5: Solve for x
    x = 797,281,872.48/23,743.80
  6. Step 6: Final answer
    x = 33,578.53

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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.