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Finding the Fourth Proportional to 26,734.60, 40,101.90 and 18,440.20

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Solution

The fourth proportional to 26,734.60, 40,101.90 and 18,440.20 is: 27,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,734.60 : 40,101.90 = 18,440.20 : x
  2. Step 2: Convert to fraction form
    26,734.60/40,101.90 = 18,440.20/x
  3. Step 3: Cross multiply
    26,734.60x = 40,101.90 × 18,440.20
  4. Step 4: Simplify right side
    26,734.60x = 739,487,056.38
  5. Step 5: Solve for x
    x = 739,487,056.38/26,734.60
  6. Step 6: Final answer
    x = 27,660.30

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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.