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Finding the Fourth Proportional to 2,866.28, 4,299.74 and 1,755.16

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Solution

The fourth proportional to 2,866.28, 4,299.74 and 1,755.16 is: 2,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.28 : 4,299.74 = 1,755.16 : x
  2. Step 2: Convert to fraction form
    2,866.28/4,299.74 = 1,755.16/x
  3. Step 3: Cross multiply
    2,866.28x = 4,299.74 × 1,755.16
  4. Step 4: Simplify right side
    2,866.28x = 7,546,731.66
  5. Step 5: Solve for x
    x = 7,546,731.66/2,866.28
  6. Step 6: Final answer
    x = 2,632.94

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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.