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Finding the Fourth Proportional to 8,368.43, 12,552.04 and 3,927.10

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Solution

The fourth proportional to 8,368.43, 12,552.04 and 3,927.10 is: 5,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.43 : 12,552.04 = 3,927.10 : x
  2. Step 2: Convert to fraction form
    8,368.43/12,552.04 = 3,927.10/x
  3. Step 3: Cross multiply
    8,368.43x = 12,552.04 × 3,927.10
  4. Step 4: Simplify right side
    8,368.43x = 49,293,145.69
  5. Step 5: Solve for x
    x = 49,293,145.69/8,368.43
  6. Step 6: Final answer
    x = 5,890.37

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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.