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Finding the Fourth Proportional to 2,750.73, 4,126.77 and 802.95

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Solution

The fourth proportional to 2,750.73, 4,126.77 and 802.95 is: 1,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.73 : 4,126.77 = 802.95 : x
  2. Step 2: Convert to fraction form
    2,750.73/4,126.77 = 802.95/x
  3. Step 3: Cross multiply
    2,750.73x = 4,126.77 × 802.95
  4. Step 4: Simplify right side
    2,750.73x = 3,313,589.97
  5. Step 5: Solve for x
    x = 3,313,589.97/2,750.73
  6. Step 6: Final answer
    x = 1,204.62

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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.