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Finding the Fourth Proportional to 15,752.56, 23,631.23 and 5,361.88

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Solution

The fourth proportional to 15,752.56, 23,631.23 and 5,361.88 is: 8,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.56 : 23,631.23 = 5,361.88 : x
  2. Step 2: Convert to fraction form
    15,752.56/23,631.23 = 5,361.88/x
  3. Step 3: Cross multiply
    15,752.56x = 23,631.23 × 5,361.88
  4. Step 4: Simplify right side
    15,752.56x = 126,707,773.84
  5. Step 5: Solve for x
    x = 126,707,773.84/15,752.56
  6. Step 6: Final answer
    x = 8,043.63

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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.