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Finding the Fourth Proportional to 26,954.80, 40,432.20 and 25,205.20

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Solution

The fourth proportional to 26,954.80, 40,432.20 and 25,205.20 is: 37,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,954.80 : 40,432.20 = 25,205.20 : x
  2. Step 2: Convert to fraction form
    26,954.80/40,432.20 = 25,205.20/x
  3. Step 3: Cross multiply
    26,954.80x = 40,432.20 × 25,205.20
  4. Step 4: Simplify right side
    26,954.80x = 1,019,101,687.44
  5. Step 5: Solve for x
    x = 1,019,101,687.44/26,954.80
  6. Step 6: Final answer
    x = 37,807.80

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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.