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Finding the Fourth Proportional to 8,914.65, 13,371 and 2,339.97

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Solution

The fourth proportional to 8,914.65, 13,371 and 2,339.97 is: 3,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.65 : 13,371 = 2,339.97 : x
  2. Step 2: Convert to fraction form
    8,914.65/13,371 = 2,339.97/x
  3. Step 3: Cross multiply
    8,914.65x = 13,371 × 2,339.97
  4. Step 4: Simplify right side
    8,914.65x = 31,287,738.87
  5. Step 5: Solve for x
    x = 31,287,738.87/8,914.65
  6. Step 6: Final answer
    x = 3,509.70

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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.