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Finding the Fourth Proportional to 2,366.92, 3,266.05 and 1,372.06

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Solution

The fourth proportional to 2,366.92, 3,266.05 and 1,372.06 is: 1,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.92 : 3,266.05 = 1,372.06 : x
  2. Step 2: Convert to fraction form
    2,366.92/3,266.05 = 1,372.06/x
  3. Step 3: Cross multiply
    2,366.92x = 3,266.05 × 1,372.06
  4. Step 4: Simplify right side
    2,366.92x = 4,481,216.56
  5. Step 5: Solve for x
    x = 4,481,216.56/2,366.92
  6. Step 6: Final answer
    x = 1,893.27

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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.