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Finding the Fourth Proportional to 3,163.52, 4,362 and 2,601.92

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Solution

The fourth proportional to 3,163.52, 4,362 and 2,601.92 is: 3,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.52 : 4,362 = 2,601.92 : x
  2. Step 2: Convert to fraction form
    3,163.52/4,362 = 2,601.92/x
  3. Step 3: Cross multiply
    3,163.52x = 4,362 × 2,601.92
  4. Step 4: Simplify right side
    3,163.52x = 11,349,575.04
  5. Step 5: Solve for x
    x = 11,349,575.04/3,163.52
  6. Step 6: Final answer
    x = 3,587.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.