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Finding the Fourth Proportional to 19,040.52, 28,500.80 and 17,034.56

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Solution

The fourth proportional to 19,040.52, 28,500.80 and 17,034.56 is: 25,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.52 : 28,500.80 = 17,034.56 : x
  2. Step 2: Convert to fraction form
    19,040.52/28,500.80 = 17,034.56/x
  3. Step 3: Cross multiply
    19,040.52x = 28,500.80 × 17,034.56
  4. Step 4: Simplify right side
    19,040.52x = 485,498,587.65
  5. Step 5: Solve for x
    x = 485,498,587.65/19,040.52
  6. Step 6: Final answer
    x = 25,498.18

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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.