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Finding the Fourth Proportional to 7,049.05, 9,727.69 and 4,064.84

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Solution

The fourth proportional to 7,049.05, 9,727.69 and 4,064.84 is: 5,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.05 : 9,727.69 = 4,064.84 : x
  2. Step 2: Convert to fraction form
    7,049.05/9,727.69 = 4,064.84/x
  3. Step 3: Cross multiply
    7,049.05x = 9,727.69 × 4,064.84
  4. Step 4: Simplify right side
    7,049.05x = 39,541,507.41
  5. Step 5: Solve for x
    x = 39,541,507.41/7,049.05
  6. Step 6: Final answer
    x = 5,609.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.