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Finding the Fourth Proportional to 2,327.97, 3,489.90 and 866.08

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Solution

The fourth proportional to 2,327.97, 3,489.90 and 866.08 is: 1,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.97 : 3,489.90 = 866.08 : x
  2. Step 2: Convert to fraction form
    2,327.97/3,489.90 = 866.08/x
  3. Step 3: Cross multiply
    2,327.97x = 3,489.90 × 866.08
  4. Step 4: Simplify right side
    2,327.97x = 3,022,532.59
  5. Step 5: Solve for x
    x = 3,022,532.59/2,327.97
  6. Step 6: Final answer
    x = 1,298.36

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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.