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Finding the Fourth Proportional to 9,519.76, 14,279.76 and 3,359.44

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Solution

The fourth proportional to 9,519.76, 14,279.76 and 3,359.44 is: 5,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.76 : 14,279.76 = 3,359.44 : x
  2. Step 2: Convert to fraction form
    9,519.76/14,279.76 = 3,359.44/x
  3. Step 3: Cross multiply
    9,519.76x = 14,279.76 × 3,359.44
  4. Step 4: Simplify right side
    9,519.76x = 47,971,996.93
  5. Step 5: Solve for x
    x = 47,971,996.93/9,519.76
  6. Step 6: Final answer
    x = 5,039.20

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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.