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Finding the Fourth Proportional to 26,827.20, 40,240.80 and 23,908.80

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Solution

The fourth proportional to 26,827.20, 40,240.80 and 23,908.80 is: 35,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.20 : 40,240.80 = 23,908.80 : x
  2. Step 2: Convert to fraction form
    26,827.20/40,240.80 = 23,908.80/x
  3. Step 3: Cross multiply
    26,827.20x = 40,240.80 × 23,908.80
  4. Step 4: Simplify right side
    26,827.20x = 962,109,239.04
  5. Step 5: Solve for x
    x = 962,109,239.04/26,827.20
  6. Step 6: Final answer
    x = 35,863.20

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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.