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Finding the Fourth Proportional to 6,663.73, 9,195.88 and 3,679.59

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Solution

The fourth proportional to 6,663.73, 9,195.88 and 3,679.59 is: 5,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.73 : 9,195.88 = 3,679.59 : x
  2. Step 2: Convert to fraction form
    6,663.73/9,195.88 = 3,679.59/x
  3. Step 3: Cross multiply
    6,663.73x = 9,195.88 × 3,679.59
  4. Step 4: Simplify right side
    6,663.73x = 33,837,100.28
  5. Step 5: Solve for x
    x = 33,837,100.28/6,663.73
  6. Step 6: Final answer
    x = 5,077.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.