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Finding the Fourth Proportional to 7,199.81, 10,803.36 and 3,306.95

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Solution

The fourth proportional to 7,199.81, 10,803.36 and 3,306.95 is: 4,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.81 : 10,803.36 = 3,306.95 : x
  2. Step 2: Convert to fraction form
    7,199.81/10,803.36 = 3,306.95/x
  3. Step 3: Cross multiply
    7,199.81x = 10,803.36 × 3,306.95
  4. Step 4: Simplify right side
    7,199.81x = 35,726,171.35
  5. Step 5: Solve for x
    x = 35,726,171.35/7,199.81
  6. Step 6: Final answer
    x = 4,962.10

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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.