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Finding the Fourth Proportional to 8,767.96, 13,148.70 and 3,571

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Solution

The fourth proportional to 8,767.96, 13,148.70 and 3,571 is: 5,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.96 : 13,148.70 = 3,571 : x
  2. Step 2: Convert to fraction form
    8,767.96/13,148.70 = 3,571/x
  3. Step 3: Cross multiply
    8,767.96x = 13,148.70 × 3,571
  4. Step 4: Simplify right side
    8,767.96x = 46,954,007.70
  5. Step 5: Solve for x
    x = 46,954,007.70/8,767.96
  6. Step 6: Final answer
    x = 5,355.18

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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.