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Finding the Fourth Proportional to 4,865.88, 7,286.22 and 3,544.20

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Solution

The fourth proportional to 4,865.88, 7,286.22 and 3,544.20 is: 5,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.88 : 7,286.22 = 3,544.20 : x
  2. Step 2: Convert to fraction form
    4,865.88/7,286.22 = 3,544.20/x
  3. Step 3: Cross multiply
    4,865.88x = 7,286.22 × 3,544.20
  4. Step 4: Simplify right side
    4,865.88x = 25,823,820.92
  5. Step 5: Solve for x
    x = 25,823,820.92/4,865.88
  6. Step 6: Final answer
    x = 5,307.12

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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.