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Finding the Fourth Proportional to 2,008.67, 3,013.01 and 710.15

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Solution

The fourth proportional to 2,008.67, 3,013.01 and 710.15 is: 1,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.67 : 3,013.01 = 710.15 : x
  2. Step 2: Convert to fraction form
    2,008.67/3,013.01 = 710.15/x
  3. Step 3: Cross multiply
    2,008.67x = 3,013.01 × 710.15
  4. Step 4: Simplify right side
    2,008.67x = 2,139,689.05
  5. Step 5: Solve for x
    x = 2,139,689.05/2,008.67
  6. Step 6: Final answer
    x = 1,065.23

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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.