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Finding the Fourth Proportional to 2,216.66, 3,324.98 and 573.21

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Solution

The fourth proportional to 2,216.66, 3,324.98 and 573.21 is: 859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.66 : 3,324.98 = 573.21 : x
  2. Step 2: Convert to fraction form
    2,216.66/3,324.98 = 573.21/x
  3. Step 3: Cross multiply
    2,216.66x = 3,324.98 × 573.21
  4. Step 4: Simplify right side
    2,216.66x = 1,905,913.22
  5. Step 5: Solve for x
    x = 1,905,913.22/2,216.66
  6. Step 6: Final answer
    x = 859.82

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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.