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Finding the Fourth Proportional to 5,441.70, 8,162.88 and 2,669.70

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Solution

The fourth proportional to 5,441.70, 8,162.88 and 2,669.70 is: 4,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.70 : 8,162.88 = 2,669.70 : x
  2. Step 2: Convert to fraction form
    5,441.70/8,162.88 = 2,669.70/x
  3. Step 3: Cross multiply
    5,441.70x = 8,162.88 × 2,669.70
  4. Step 4: Simplify right side
    5,441.70x = 21,792,440.74
  5. Step 5: Solve for x
    x = 21,792,440.74/5,441.70
  6. Step 6: Final answer
    x = 4,004.71

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1.5x scale

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.