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Finding the Fourth Proportional to 26,934.36, 40,419.98 and 9,404.18

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Solution

The fourth proportional to 26,934.36, 40,419.98 and 9,404.18 is: 14,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,934.36 : 40,419.98 = 9,404.18 : x
  2. Step 2: Convert to fraction form
    26,934.36/40,419.98 = 9,404.18/x
  3. Step 3: Cross multiply
    26,934.36x = 40,419.98 × 9,404.18
  4. Step 4: Simplify right side
    26,934.36x = 380,116,767.52
  5. Step 5: Solve for x
    x = 380,116,767.52/26,934.36
  6. Step 6: Final answer
    x = 14,112.71

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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.