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Finding the Fourth Proportional to 1,092.88, 1,639.37 and 1,037.52

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Solution

The fourth proportional to 1,092.88, 1,639.37 and 1,037.52 is: 1,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.88 : 1,639.37 = 1,037.52 : x
  2. Step 2: Convert to fraction form
    1,092.88/1,639.37 = 1,037.52/x
  3. Step 3: Cross multiply
    1,092.88x = 1,639.37 × 1,037.52
  4. Step 4: Simplify right side
    1,092.88x = 1,700,870.97
  5. Step 5: Solve for x
    x = 1,700,870.97/1,092.88
  6. Step 6: Final answer
    x = 1,556.33

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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.