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Finding the Fourth Proportional to 5,361.75, 8,042.90 and 1,899.27

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Solution

The fourth proportional to 5,361.75, 8,042.90 and 1,899.27 is: 2,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.75 : 8,042.90 = 1,899.27 : x
  2. Step 2: Convert to fraction form
    5,361.75/8,042.90 = 1,899.27/x
  3. Step 3: Cross multiply
    5,361.75x = 8,042.90 × 1,899.27
  4. Step 4: Simplify right side
    5,361.75x = 15,275,629.19
  5. Step 5: Solve for x
    x = 15,275,629.19/5,361.75
  6. Step 6: Final answer
    x = 2,849.00

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1.5x scale

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.