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Finding the Fourth Proportional to 11,555.52, 17,342.99 and 10,826.52

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Solution

The fourth proportional to 11,555.52, 17,342.99 and 10,826.52 is: 16,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.52 : 17,342.99 = 10,826.52 : x
  2. Step 2: Convert to fraction form
    11,555.52/17,342.99 = 10,826.52/x
  3. Step 3: Cross multiply
    11,555.52x = 17,342.99 × 10,826.52
  4. Step 4: Simplify right side
    11,555.52x = 187,764,228.09
  5. Step 5: Solve for x
    x = 187,764,228.09/11,555.52
  6. Step 6: Final answer
    x = 16,248.88

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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.