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Finding the Fourth Proportional to 3,674.75, 5,512.09 and 901.46

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Solution

The fourth proportional to 3,674.75, 5,512.09 and 901.46 is: 1,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.75 : 5,512.09 = 901.46 : x
  2. Step 2: Convert to fraction form
    3,674.75/5,512.09 = 901.46/x
  3. Step 3: Cross multiply
    3,674.75x = 5,512.09 × 901.46
  4. Step 4: Simplify right side
    3,674.75x = 4,968,928.65
  5. Step 5: Solve for x
    x = 4,968,928.65/3,674.75
  6. Step 6: Final answer
    x = 1,352.18

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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.