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Finding the Fourth Proportional to 26,853.20, 40,231.20 and 22,965.20

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Solution

The fourth proportional to 26,853.20, 40,231.20 and 22,965.20 is: 34,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.20 : 40,231.20 = 22,965.20 : x
  2. Step 2: Convert to fraction form
    26,853.20/40,231.20 = 22,965.20/x
  3. Step 3: Cross multiply
    26,853.20x = 40,231.20 × 22,965.20
  4. Step 4: Simplify right side
    26,853.20x = 923,917,554.24
  5. Step 5: Solve for x
    x = 923,917,554.24/26,853.20
  6. Step 6: Final answer
    x = 34,406.24

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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.