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Finding the Fourth Proportional to 1,092.97, 1,639.95 and 362.76

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Solution

The fourth proportional to 1,092.97, 1,639.95 and 362.76 is: 544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.97 : 1,639.95 = 362.76 : x
  2. Step 2: Convert to fraction form
    1,092.97/1,639.95 = 362.76/x
  3. Step 3: Cross multiply
    1,092.97x = 1,639.95 × 362.76
  4. Step 4: Simplify right side
    1,092.97x = 594,908.26
  5. Step 5: Solve for x
    x = 594,908.26/1,092.97
  6. Step 6: Final answer
    x = 544.30

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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.