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Finding the Fourth Proportional to 1,092.76, 1,639.26 and 362.39

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Solution

The fourth proportional to 1,092.76, 1,639.26 and 362.39 is: 543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.76 : 1,639.26 = 362.39 : x
  2. Step 2: Convert to fraction form
    1,092.76/1,639.26 = 362.39/x
  3. Step 3: Cross multiply
    1,092.76x = 1,639.26 × 362.39
  4. Step 4: Simplify right side
    1,092.76x = 594,043.24
  5. Step 5: Solve for x
    x = 594,043.24/1,092.76
  6. Step 6: Final answer
    x = 543.62

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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.