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Finding the Fourth Proportional to 2,408.67, 3,612.87 and 848.07

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Solution

The fourth proportional to 2,408.67, 3,612.87 and 848.07 is: 1,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.67 : 3,612.87 = 848.07 : x
  2. Step 2: Convert to fraction form
    2,408.67/3,612.87 = 848.07/x
  3. Step 3: Cross multiply
    2,408.67x = 3,612.87 × 848.07
  4. Step 4: Simplify right side
    2,408.67x = 3,063,966.66
  5. Step 5: Solve for x
    x = 3,063,966.66/2,408.67
  6. Step 6: Final answer
    x = 1,272.06

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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.