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Finding the Fourth Proportional to 26,747.20, 40,120.80 and 22,446.40

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Solution

The fourth proportional to 26,747.20, 40,120.80 and 22,446.40 is: 33,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.20 : 40,120.80 = 22,446.40 : x
  2. Step 2: Convert to fraction form
    26,747.20/40,120.80 = 22,446.40/x
  3. Step 3: Cross multiply
    26,747.20x = 40,120.80 × 22,446.40
  4. Step 4: Simplify right side
    26,747.20x = 900,567,525.12
  5. Step 5: Solve for x
    x = 900,567,525.12/26,747.20
  6. Step 6: Final answer
    x = 33,669.60

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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.