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Finding the Fourth Proportional to 26,987.70, 40,481.55 and 24,363.30

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Solution

The fourth proportional to 26,987.70, 40,481.55 and 24,363.30 is: 36,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.70 : 40,481.55 = 24,363.30 : x
  2. Step 2: Convert to fraction form
    26,987.70/40,481.55 = 24,363.30/x
  3. Step 3: Cross multiply
    26,987.70x = 40,481.55 × 24,363.30
  4. Step 4: Simplify right side
    26,987.70x = 986,264,147.12
  5. Step 5: Solve for x
    x = 986,264,147.12/26,987.70
  6. Step 6: Final answer
    x = 36,544.95

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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.