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Finding the Fourth Proportional to 4,912.57, 7,370.13 and 2,448.55

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Solution

The fourth proportional to 4,912.57, 7,370.13 and 2,448.55 is: 3,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.57 : 7,370.13 = 2,448.55 : x
  2. Step 2: Convert to fraction form
    4,912.57/7,370.13 = 2,448.55/x
  3. Step 3: Cross multiply
    4,912.57x = 7,370.13 × 2,448.55
  4. Step 4: Simplify right side
    4,912.57x = 18,046,094.96
  5. Step 5: Solve for x
    x = 18,046,094.96/4,912.57
  6. Step 6: Final answer
    x = 3,673.46

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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.