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Finding the Fourth Proportional to 4,820.88, 6,651.72 and 2,724.24

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Solution

The fourth proportional to 4,820.88, 6,651.72 and 2,724.24 is: 3,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.88 : 6,651.72 = 2,724.24 : x
  2. Step 2: Convert to fraction form
    4,820.88/6,651.72 = 2,724.24/x
  3. Step 3: Cross multiply
    4,820.88x = 6,651.72 × 2,724.24
  4. Step 4: Simplify right side
    4,820.88x = 18,120,881.69
  5. Step 5: Solve for x
    x = 18,120,881.69/4,820.88
  6. Step 6: Final answer
    x = 3,758.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.