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Finding the Fourth Proportional to 5,663.09, 8,491.90 and 2,375.30

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Solution

The fourth proportional to 5,663.09, 8,491.90 and 2,375.30 is: 3,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.09 : 8,491.90 = 2,375.30 : x
  2. Step 2: Convert to fraction form
    5,663.09/8,491.90 = 2,375.30/x
  3. Step 3: Cross multiply
    5,663.09x = 8,491.90 × 2,375.30
  4. Step 4: Simplify right side
    5,663.09x = 20,170,825.36
  5. Step 5: Solve for x
    x = 20,170,825.36/5,663.09
  6. Step 6: Final answer
    x = 3,561.80

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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.