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Finding the Fourth Proportional to 8,266.38, 12,404.25 and 3,339.51

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Solution

The fourth proportional to 8,266.38, 12,404.25 and 3,339.51 is: 5,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.38 : 12,404.25 = 3,339.51 : x
  2. Step 2: Convert to fraction form
    8,266.38/12,404.25 = 3,339.51/x
  3. Step 3: Cross multiply
    8,266.38x = 12,404.25 × 3,339.51
  4. Step 4: Simplify right side
    8,266.38x = 41,424,116.92
  5. Step 5: Solve for x
    x = 41,424,116.92/8,266.38
  6. Step 6: Final answer
    x = 5,011.16

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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.