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Finding the Fourth Proportional to 7,076.14, 10,609.13 and 3,325.81

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Solution

The fourth proportional to 7,076.14, 10,609.13 and 3,325.81 is: 4,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.14 : 10,609.13 = 3,325.81 : x
  2. Step 2: Convert to fraction form
    7,076.14/10,609.13 = 3,325.81/x
  3. Step 3: Cross multiply
    7,076.14x = 10,609.13 × 3,325.81
  4. Step 4: Simplify right side
    7,076.14x = 35,283,950.65
  5. Step 5: Solve for x
    x = 35,283,950.65/7,076.14
  6. Step 6: Final answer
    x = 4,986.33

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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.