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Finding the Fourth Proportional to 23,759.65, 32,788.11 and 13,149.01

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Solution

The fourth proportional to 23,759.65, 32,788.11 and 13,149.01 is: 18,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,759.65 : 32,788.11 = 13,149.01 : x
  2. Step 2: Convert to fraction form
    23,759.65/32,788.11 = 13,149.01/x
  3. Step 3: Cross multiply
    23,759.65x = 32,788.11 × 13,149.01
  4. Step 4: Simplify right side
    23,759.65x = 431,131,186.27
  5. Step 5: Solve for x
    x = 431,131,186.27/23,759.65
  6. Step 6: Final answer
    x = 18,145.52

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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.