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Finding the Fourth Proportional to 7,197.73, 10,803.29 and 3,690.25

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Solution

The fourth proportional to 7,197.73, 10,803.29 and 3,690.25 is: 5,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.73 : 10,803.29 = 3,690.25 : x
  2. Step 2: Convert to fraction form
    7,197.73/10,803.29 = 3,690.25/x
  3. Step 3: Cross multiply
    7,197.73x = 10,803.29 × 3,690.25
  4. Step 4: Simplify right side
    7,197.73x = 39,866,840.92
  5. Step 5: Solve for x
    x = 39,866,840.92/7,197.73
  6. Step 6: Final answer
    x = 5,538.81

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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.