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Finding the Fourth Proportional to 23,959.92, 33,065.46 and 13,349.28

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Solution

The fourth proportional to 23,959.92, 33,065.46 and 13,349.28 is: 18,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.92 : 33,065.46 = 13,349.28 : x
  2. Step 2: Convert to fraction form
    23,959.92/33,065.46 = 13,349.28/x
  3. Step 3: Cross multiply
    23,959.92x = 33,065.46 × 13,349.28
  4. Step 4: Simplify right side
    23,959.92x = 441,400,083.87
  5. Step 5: Solve for x
    x = 441,400,083.87/23,959.92
  6. Step 6: Final answer
    x = 18,422.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.