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Finding the Fourth Proportional to 2,749.57, 3,794.25 and 1,570.75

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Solution

The fourth proportional to 2,749.57, 3,794.25 and 1,570.75 is: 2,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.57 : 3,794.25 = 1,570.75 : x
  2. Step 2: Convert to fraction form
    2,749.57/3,794.25 = 1,570.75/x
  3. Step 3: Cross multiply
    2,749.57x = 3,794.25 × 1,570.75
  4. Step 4: Simplify right side
    2,749.57x = 5,959,818.19
  5. Step 5: Solve for x
    x = 5,959,818.19/2,749.57
  6. Step 6: Final answer
    x = 2,167.55

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