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Finding the Fourth Proportional to 83,016.75, 124,525.13 and 27,612.75

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Solution

The fourth proportional to 83,016.75, 124,525.13 and 27,612.75 is: 41,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.75 : 124,525.13 = 27,612.75 : x
  2. Step 2: Convert to fraction form
    83,016.75/124,525.13 = 27,612.75/x
  3. Step 3: Cross multiply
    83,016.75x = 124,525.13 × 27,612.75
  4. Step 4: Simplify right side
    83,016.75x = 3,438,481,145.34
  5. Step 5: Solve for x
    x = 3,438,481,145.34/83,016.75
  6. Step 6: Final answer
    x = 41,419.13

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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.