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Finding the Fourth Proportional to 22,959.44, 34,439.16 and 9,108.44

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Solution

The fourth proportional to 22,959.44, 34,439.16 and 9,108.44 is: 13,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.44 : 34,439.16 = 9,108.44 : x
  2. Step 2: Convert to fraction form
    22,959.44/34,439.16 = 9,108.44/x
  3. Step 3: Cross multiply
    22,959.44x = 34,439.16 × 9,108.44
  4. Step 4: Simplify right side
    22,959.44x = 313,687,022.51
  5. Step 5: Solve for x
    x = 313,687,022.51/22,959.44
  6. Step 6: Final answer
    x = 13,662.66

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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.