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Finding the Fourth Proportional to 23,799.80, 32,843.80 and 13,189.62

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Solution

The fourth proportional to 23,799.80, 32,843.80 and 13,189.62 is: 18,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,799.80 : 32,843.80 = 13,189.62 : x
  2. Step 2: Convert to fraction form
    23,799.80/32,843.80 = 13,189.62/x
  3. Step 3: Cross multiply
    23,799.80x = 32,843.80 × 13,189.62
  4. Step 4: Simplify right side
    23,799.80x = 433,197,241.36
  5. Step 5: Solve for x
    x = 433,197,241.36/23,799.80
  6. Step 6: Final answer
    x = 18,201.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.