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Finding the Fourth Proportional to 2,749.49, 3,794.33 and 1,570.49

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Solution

The fourth proportional to 2,749.49, 3,794.33 and 1,570.49 is: 2,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.49 : 3,794.33 = 1,570.49 : x
  2. Step 2: Convert to fraction form
    2,749.49/3,794.33 = 1,570.49/x
  3. Step 3: Cross multiply
    2,749.49x = 3,794.33 × 1,570.49
  4. Step 4: Simplify right side
    2,749.49x = 5,958,957.32
  5. Step 5: Solve for x
    x = 5,958,957.32/2,749.49
  6. Step 6: Final answer
    x = 2,167.30

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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.