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Finding the Fourth Proportional to 26,714.80, 40,072.20 and 8,244.40

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Solution

The fourth proportional to 26,714.80, 40,072.20 and 8,244.40 is: 12,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,714.80 : 40,072.20 = 8,244.40 : x
  2. Step 2: Convert to fraction form
    26,714.80/40,072.20 = 8,244.40/x
  3. Step 3: Cross multiply
    26,714.80x = 40,072.20 × 8,244.40
  4. Step 4: Simplify right side
    26,714.80x = 330,371,245.68
  5. Step 5: Solve for x
    x = 330,371,245.68/26,714.80
  6. Step 6: Final answer
    x = 12,366.60

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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.