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Finding the Fourth Proportional to 2,083.52, 3,125.28 and 544.52

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Solution

The fourth proportional to 2,083.52, 3,125.28 and 544.52 is: 816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.52 : 3,125.28 = 544.52 : x
  2. Step 2: Convert to fraction form
    2,083.52/3,125.28 = 544.52/x
  3. Step 3: Cross multiply
    2,083.52x = 3,125.28 × 544.52
  4. Step 4: Simplify right side
    2,083.52x = 1,701,777.47
  5. Step 5: Solve for x
    x = 1,701,777.47/2,083.52
  6. Step 6: Final answer
    x = 816.78

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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.