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Finding the Fourth Proportional to 82,843.80, 124,265.64 and 23,679.49

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Solution

The fourth proportional to 82,843.80, 124,265.64 and 23,679.49 is: 35,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,843.80 : 124,265.64 = 23,679.49 : x
  2. Step 2: Convert to fraction form
    82,843.80/124,265.64 = 23,679.49/x
  3. Step 3: Cross multiply
    82,843.80x = 124,265.64 × 23,679.49
  4. Step 4: Simplify right side
    82,843.80x = 2,942,546,358.40
  5. Step 5: Solve for x
    x = 2,942,546,358.40/82,843.80
  6. Step 6: Final answer
    x = 35,519.21

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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.