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Finding the Fourth Proportional to 23,361.54, 35,048.22 and 6,721.21

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Solution

The fourth proportional to 23,361.54, 35,048.22 and 6,721.21 is: 10,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,361.54 : 35,048.22 = 6,721.21 : x
  2. Step 2: Convert to fraction form
    23,361.54/35,048.22 = 6,721.21/x
  3. Step 3: Cross multiply
    23,361.54x = 35,048.22 × 6,721.21
  4. Step 4: Simplify right side
    23,361.54x = 235,566,446.75
  5. Step 5: Solve for x
    x = 235,566,446.75/23,361.54
  6. Step 6: Final answer
    x = 10,083.52

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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.