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Finding the Fourth Proportional to 6,668.27, 10,018.80 and 5,019.82

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Solution

The fourth proportional to 6,668.27, 10,018.80 and 5,019.82 is: 7,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.27 : 10,018.80 = 5,019.82 : x
  2. Step 2: Convert to fraction form
    6,668.27/10,018.80 = 5,019.82/x
  3. Step 3: Cross multiply
    6,668.27x = 10,018.80 × 5,019.82
  4. Step 4: Simplify right side
    6,668.27x = 50,292,572.62
  5. Step 5: Solve for x
    x = 50,292,572.62/6,668.27
  6. Step 6: Final answer
    x = 7,542.07

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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.