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Finding the Fourth Proportional to 18,966.52, 28,512.10 and 17,596.41

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Solution

The fourth proportional to 18,966.52, 28,512.10 and 17,596.41 is: 26,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.52 : 28,512.10 = 17,596.41 : x
  2. Step 2: Convert to fraction form
    18,966.52/28,512.10 = 17,596.41/x
  3. Step 3: Cross multiply
    18,966.52x = 28,512.10 × 17,596.41
  4. Step 4: Simplify right side
    18,966.52x = 501,710,516.64
  5. Step 5: Solve for x
    x = 501,710,516.64/18,966.52
  6. Step 6: Final answer
    x = 26,452.43

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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.