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Finding the Fourth Proportional to 2,175.78, 3,263.64 and 532.37

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Solution

The fourth proportional to 2,175.78, 3,263.64 and 532.37 is: 798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.78 : 3,263.64 = 532.37 : x
  2. Step 2: Convert to fraction form
    2,175.78/3,263.64 = 532.37/x
  3. Step 3: Cross multiply
    2,175.78x = 3,263.64 × 532.37
  4. Step 4: Simplify right side
    2,175.78x = 1,737,447.71
  5. Step 5: Solve for x
    x = 1,737,447.71/2,175.78
  6. Step 6: Final answer
    x = 798.54

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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.