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Finding the Fourth Proportional to 38,231.68, 52,763.84 and 23,132.66

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Solution

The fourth proportional to 38,231.68, 52,763.84 and 23,132.66 is: 31,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.68 : 52,763.84 = 23,132.66 : x
  2. Step 2: Convert to fraction form
    38,231.68/52,763.84 = 23,132.66/x
  3. Step 3: Cross multiply
    38,231.68x = 52,763.84 × 23,132.66
  4. Step 4: Simplify right side
    38,231.68x = 1,220,568,221.07
  5. Step 5: Solve for x
    x = 1,220,568,221.07/38,231.68
  6. Step 6: Final answer
    x = 31,925.57

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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.