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Finding the Fourth Proportional to 2,216.32, 3,324.47 and 572.73

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Solution

The fourth proportional to 2,216.32, 3,324.47 and 572.73 is: 859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.32 : 3,324.47 = 572.73 : x
  2. Step 2: Convert to fraction form
    2,216.32/3,324.47 = 572.73/x
  3. Step 3: Cross multiply
    2,216.32x = 3,324.47 × 572.73
  4. Step 4: Simplify right side
    2,216.32x = 1,904,023.70
  5. Step 5: Solve for x
    x = 1,904,023.70/2,216.32
  6. Step 6: Final answer
    x = 859.09

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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.