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Finding the Fourth Proportional to 23,799.50, 32,843.50 and 13,189.31

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Solution

The fourth proportional to 23,799.50, 32,843.50 and 13,189.31 is: 18,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,799.50 : 32,843.50 = 13,189.31 : x
  2. Step 2: Convert to fraction form
    23,799.50/32,843.50 = 13,189.31/x
  3. Step 3: Cross multiply
    23,799.50x = 32,843.50 × 13,189.31
  4. Step 4: Simplify right side
    23,799.50x = 433,183,102.99
  5. Step 5: Solve for x
    x = 433,183,102.99/23,799.50
  6. Step 6: Final answer
    x = 18,201.35

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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.