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Finding the Fourth Proportional to 2,216.00, 3,323.99 and 572.55

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Solution

The fourth proportional to 2,216.00, 3,323.99 and 572.55 is: 858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.00 : 3,323.99 = 572.55 : x
  2. Step 2: Convert to fraction form
    2,216.00/3,323.99 = 572.55/x
  3. Step 3: Cross multiply
    2,216.00x = 3,323.99 × 572.55
  4. Step 4: Simplify right side
    2,216.00x = 1,903,147.61
  5. Step 5: Solve for x
    x = 1,903,147.61/2,216.00
  6. Step 6: Final answer
    x = 858.82

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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.