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Finding the Fourth Proportional to 26,919.18, 40,383.09 and 11,339.10

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Solution

The fourth proportional to 26,919.18, 40,383.09 and 11,339.10 is: 17,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.18 : 40,383.09 = 11,339.10 : x
  2. Step 2: Convert to fraction form
    26,919.18/40,383.09 = 11,339.10/x
  3. Step 3: Cross multiply
    26,919.18x = 40,383.09 × 11,339.10
  4. Step 4: Simplify right side
    26,919.18x = 457,907,895.82
  5. Step 5: Solve for x
    x = 457,907,895.82/26,919.18
  6. Step 6: Final answer
    x = 17,010.47

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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.