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Finding the Fourth Proportional to 8,567, 12,850.50 and 2,411

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Solution

The fourth proportional to 8,567, 12,850.50 and 2,411 is: 3,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567 : 12,850.50 = 2,411 : x
  2. Step 2: Convert to fraction form
    8,567/12,850.50 = 2,411/x
  3. Step 3: Cross multiply
    8,567x = 12,850.50 × 2,411
  4. Step 4: Simplify right side
    8,567x = 30,982,555.50
  5. Step 5: Solve for x
    x = 30,982,555.50/8,567
  6. Step 6: Final answer
    x = 3,616.50

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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.