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Finding the Fourth Proportional to 23,959.10, 35,943.94 and 7,320.43

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Solution

The fourth proportional to 23,959.10, 35,943.94 and 7,320.43 is: 10,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.10 : 35,943.94 = 7,320.43 : x
  2. Step 2: Convert to fraction form
    23,959.10/35,943.94 = 7,320.43/x
  3. Step 3: Cross multiply
    23,959.10x = 35,943.94 × 7,320.43
  4. Step 4: Simplify right side
    23,959.10x = 263,125,123.32
  5. Step 5: Solve for x
    x = 263,125,123.32/23,959.10
  6. Step 6: Final answer
    x = 10,982.26

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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.