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Finding the Fourth Proportional to 26,870.20, 40,256.70 and 22,982.20

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Solution

The fourth proportional to 26,870.20, 40,256.70 and 22,982.20 is: 34,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.20 : 40,256.70 = 22,982.20 : x
  2. Step 2: Convert to fraction form
    26,870.20/40,256.70 = 22,982.20/x
  3. Step 3: Cross multiply
    26,870.20x = 40,256.70 × 22,982.20
  4. Step 4: Simplify right side
    26,870.20x = 925,187,530.74
  5. Step 5: Solve for x
    x = 925,187,530.74/26,870.20
  6. Step 6: Final answer
    x = 34,431.73

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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.