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Finding the Fourth Proportional to 12,841.92, 19,264.50 and 4,073.70

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Solution

The fourth proportional to 12,841.92, 19,264.50 and 4,073.70 is: 6,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.92 : 19,264.50 = 4,073.70 : x
  2. Step 2: Convert to fraction form
    12,841.92/19,264.50 = 4,073.70/x
  3. Step 3: Cross multiply
    12,841.92x = 19,264.50 × 4,073.70
  4. Step 4: Simplify right side
    12,841.92x = 78,477,793.65
  5. Step 5: Solve for x
    x = 78,477,793.65/12,841.92
  6. Step 6: Final answer
    x = 6,111.06

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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.