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Finding the Fourth Proportional to 26,983.60, 40,475.40 and 25,015.30

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Solution

The fourth proportional to 26,983.60, 40,475.40 and 25,015.30 is: 37,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,983.60 : 40,475.40 = 25,015.30 : x
  2. Step 2: Convert to fraction form
    26,983.60/40,475.40 = 25,015.30/x
  3. Step 3: Cross multiply
    26,983.60x = 40,475.40 × 25,015.30
  4. Step 4: Simplify right side
    26,983.60x = 1,012,504,273.62
  5. Step 5: Solve for x
    x = 1,012,504,273.62/26,983.60
  6. Step 6: Final answer
    x = 37,522.95

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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.