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Finding the Fourth Proportional to 7,753.89, 11,624.22 and 3,368.01

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Solution

The fourth proportional to 7,753.89, 11,624.22 and 3,368.01 is: 5,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.89 : 11,624.22 = 3,368.01 : x
  2. Step 2: Convert to fraction form
    7,753.89/11,624.22 = 3,368.01/x
  3. Step 3: Cross multiply
    7,753.89x = 11,624.22 × 3,368.01
  4. Step 4: Simplify right side
    7,753.89x = 39,150,489.20
  5. Step 5: Solve for x
    x = 39,150,489.20/7,753.89
  6. Step 6: Final answer
    x = 5,049.14

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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.