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Finding the Fourth Proportional to 2,749.62, 3,793.95 and 1,570.62

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Solution

The fourth proportional to 2,749.62, 3,793.95 and 1,570.62 is: 2,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.62 : 3,793.95 = 1,570.62 : x
  2. Step 2: Convert to fraction form
    2,749.62/3,793.95 = 1,570.62/x
  3. Step 3: Cross multiply
    2,749.62x = 3,793.95 × 1,570.62
  4. Step 4: Simplify right side
    2,749.62x = 5,958,853.75
  5. Step 5: Solve for x
    x = 5,958,853.75/2,749.62
  6. Step 6: Final answer
    x = 2,167.16

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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.