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Finding the Fourth Proportional to 2,763.63, 3,814.83 and 1,883.97

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Solution

The fourth proportional to 2,763.63, 3,814.83 and 1,883.97 is: 2,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.63 : 3,814.83 = 1,883.97 : x
  2. Step 2: Convert to fraction form
    2,763.63/3,814.83 = 1,883.97/x
  3. Step 3: Cross multiply
    2,763.63x = 3,814.83 × 1,883.97
  4. Step 4: Simplify right side
    2,763.63x = 7,187,025.28
  5. Step 5: Solve for x
    x = 7,187,025.28/2,763.63
  6. Step 6: Final answer
    x = 2,600.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.