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Finding the Fourth Proportional to 26,974.20, 40,461.30 and 26,801.40

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Solution

The fourth proportional to 26,974.20, 40,461.30 and 26,801.40 is: 40,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,974.20 : 40,461.30 = 26,801.40 : x
  2. Step 2: Convert to fraction form
    26,974.20/40,461.30 = 26,801.40/x
  3. Step 3: Cross multiply
    26,974.20x = 40,461.30 × 26,801.40
  4. Step 4: Simplify right side
    26,974.20x = 1,084,419,485.82
  5. Step 5: Solve for x
    x = 1,084,419,485.82/26,974.20
  6. Step 6: Final answer
    x = 40,202.10

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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.