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Finding the Fourth Proportional to 15,231.51, 22,851.88 and 7,232.41

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Solution

The fourth proportional to 15,231.51, 22,851.88 and 7,232.41 is: 10,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231.51 : 22,851.88 = 7,232.41 : x
  2. Step 2: Convert to fraction form
    15,231.51/22,851.88 = 7,232.41/x
  3. Step 3: Cross multiply
    15,231.51x = 22,851.88 × 7,232.41
  4. Step 4: Simplify right side
    15,231.51x = 165,274,165.43
  5. Step 5: Solve for x
    x = 165,274,165.43/15,231.51
  6. Step 6: Final answer
    x = 10,850.81

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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.