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Finding the Fourth Proportional to 7,200.03, 10,803.48 and 3,737.28

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Solution

The fourth proportional to 7,200.03, 10,803.48 and 3,737.28 is: 5,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.03 : 10,803.48 = 3,737.28 : x
  2. Step 2: Convert to fraction form
    7,200.03/10,803.48 = 3,737.28/x
  3. Step 3: Cross multiply
    7,200.03x = 10,803.48 × 3,737.28
  4. Step 4: Simplify right side
    7,200.03x = 40,375,629.73
  5. Step 5: Solve for x
    x = 40,375,629.73/7,200.03
  6. Step 6: Final answer
    x = 5,607.70

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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.