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Finding the Fourth Proportional to 17,842.80, 26,750.92 and 10,824.36

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Solution

The fourth proportional to 17,842.80, 26,750.92 and 10,824.36 is: 16,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.80 : 26,750.92 = 10,824.36 : x
  2. Step 2: Convert to fraction form
    17,842.80/26,750.92 = 10,824.36/x
  3. Step 3: Cross multiply
    17,842.80x = 26,750.92 × 10,824.36
  4. Step 4: Simplify right side
    17,842.80x = 289,561,588.41
  5. Step 5: Solve for x
    x = 289,561,588.41/17,842.80
  6. Step 6: Final answer
    x = 16,228.48

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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.