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Finding the Fourth Proportional to 5,553.91, 7,663.86 and 3,035.86

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Solution

The fourth proportional to 5,553.91, 7,663.86 and 3,035.86 is: 4,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.91 : 7,663.86 = 3,035.86 : x
  2. Step 2: Convert to fraction form
    5,553.91/7,663.86 = 3,035.86/x
  3. Step 3: Cross multiply
    5,553.91x = 7,663.86 × 3,035.86
  4. Step 4: Simplify right side
    5,553.91x = 23,266,367.70
  5. Step 5: Solve for x
    x = 23,266,367.70/5,553.91
  6. Step 6: Final answer
    x = 4,189.19

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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.