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Finding the Fourth Proportional to 26,918.01, 40,393.22 and 9,400.14

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Solution

The fourth proportional to 26,918.01, 40,393.22 and 9,400.14 is: 14,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.01 : 40,393.22 = 9,400.14 : x
  2. Step 2: Convert to fraction form
    26,918.01/40,393.22 = 9,400.14/x
  3. Step 3: Cross multiply
    26,918.01x = 40,393.22 × 9,400.14
  4. Step 4: Simplify right side
    26,918.01x = 379,701,876.05
  5. Step 5: Solve for x
    x = 379,701,876.05/26,918.01
  6. Step 6: Final answer
    x = 14,105.87

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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.