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Finding the Fourth Proportional to 2,008.49, 3,014.10 and 709.96

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Solution

The fourth proportional to 2,008.49, 3,014.10 and 709.96 is: 1,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.49 : 3,014.10 = 709.96 : x
  2. Step 2: Convert to fraction form
    2,008.49/3,014.10 = 709.96/x
  3. Step 3: Cross multiply
    2,008.49x = 3,014.10 × 709.96
  4. Step 4: Simplify right side
    2,008.49x = 2,139,896.87
  5. Step 5: Solve for x
    x = 2,139,896.87/2,008.49
  6. Step 6: Final answer
    x = 1,065.42

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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.