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Finding the Fourth Proportional to 2,008.86, 3,013.32 and 710.46

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Solution

The fourth proportional to 2,008.86, 3,013.32 and 710.46 is: 1,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.86 : 3,013.32 = 710.46 : x
  2. Step 2: Convert to fraction form
    2,008.86/3,013.32 = 710.46/x
  3. Step 3: Cross multiply
    2,008.86x = 3,013.32 × 710.46
  4. Step 4: Simplify right side
    2,008.86x = 2,140,843.33
  5. Step 5: Solve for x
    x = 2,140,843.33/2,008.86
  6. Step 6: Final answer
    x = 1,065.70

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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.