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Finding the Fourth Proportional to 2,163.53, 3,244.95 and 603.37

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Solution

The fourth proportional to 2,163.53, 3,244.95 and 603.37 is: 904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.53 : 3,244.95 = 603.37 : x
  2. Step 2: Convert to fraction form
    2,163.53/3,244.95 = 603.37/x
  3. Step 3: Cross multiply
    2,163.53x = 3,244.95 × 603.37
  4. Step 4: Simplify right side
    2,163.53x = 1,957,909.54
  5. Step 5: Solve for x
    x = 1,957,909.54/2,163.53
  6. Step 6: Final answer
    x = 904.96

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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.