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Finding the Fourth Proportional to 7,175.61, 10,763.36 and 2,495.61

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Solution

The fourth proportional to 7,175.61, 10,763.36 and 2,495.61 is: 3,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.61 : 10,763.36 = 2,495.61 : x
  2. Step 2: Convert to fraction form
    7,175.61/10,763.36 = 2,495.61/x
  3. Step 3: Cross multiply
    7,175.61x = 10,763.36 × 2,495.61
  4. Step 4: Simplify right side
    7,175.61x = 26,861,138.71
  5. Step 5: Solve for x
    x = 26,861,138.71/7,175.61
  6. Step 6: Final answer
    x = 3,743.39

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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.