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Finding the Fourth Proportional to 26,863.80, 40,218.90 and 16,495.80

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Solution

The fourth proportional to 26,863.80, 40,218.90 and 16,495.80 is: 24,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.80 : 40,218.90 = 16,495.80 : x
  2. Step 2: Convert to fraction form
    26,863.80/40,218.90 = 16,495.80/x
  3. Step 3: Cross multiply
    26,863.80x = 40,218.90 × 16,495.80
  4. Step 4: Simplify right side
    26,863.80x = 663,442,930.62
  5. Step 5: Solve for x
    x = 663,442,930.62/26,863.80
  6. Step 6: Final answer
    x = 24,696.54

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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.