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Finding the Fourth Proportional to 5,328, 7,350.21 and 3,651.30

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Solution

The fourth proportional to 5,328, 7,350.21 and 3,651.30 is: 5,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328 : 7,350.21 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    5,328/7,350.21 = 3,651.30/x
  3. Step 3: Cross multiply
    5,328x = 7,350.21 × 3,651.30
  4. Step 4: Simplify right side
    5,328x = 26,837,821.77
  5. Step 5: Solve for x
    x = 26,837,821.77/5,328
  6. Step 6: Final answer
    x = 5,037.13

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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.