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Finding the Fourth Proportional to 2,216.95, 3,325.16 and 573.37

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Solution

The fourth proportional to 2,216.95, 3,325.16 and 573.37 is: 859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.95 : 3,325.16 = 573.37 : x
  2. Step 2: Convert to fraction form
    2,216.95/3,325.16 = 573.37/x
  3. Step 3: Cross multiply
    2,216.95x = 3,325.16 × 573.37
  4. Step 4: Simplify right side
    2,216.95x = 1,906,531.80
  5. Step 5: Solve for x
    x = 1,906,531.80/2,216.95
  6. Step 6: Final answer
    x = 859.98

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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.