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Finding the Fourth Proportional to 12,711.41, 19,063.50 and 8,024.41

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Solution

The fourth proportional to 12,711.41, 19,063.50 and 8,024.41 is: 12,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.41 : 19,063.50 = 8,024.41 : x
  2. Step 2: Convert to fraction form
    12,711.41/19,063.50 = 8,024.41/x
  3. Step 3: Cross multiply
    12,711.41x = 19,063.50 × 8,024.41
  4. Step 4: Simplify right side
    12,711.41x = 152,973,340.04
  5. Step 5: Solve for x
    x = 152,973,340.04/12,711.41
  6. Step 6: Final answer
    x = 12,034.33

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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.