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Finding the Fourth Proportional to 2,298.25, 3,447.92 and 759.25

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Solution

The fourth proportional to 2,298.25, 3,447.92 and 759.25 is: 1,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.25 : 3,447.92 = 759.25 : x
  2. Step 2: Convert to fraction form
    2,298.25/3,447.92 = 759.25/x
  3. Step 3: Cross multiply
    2,298.25x = 3,447.92 × 759.25
  4. Step 4: Simplify right side
    2,298.25x = 2,617,829.46
  5. Step 5: Solve for x
    x = 2,617,829.46/2,298.25
  6. Step 6: Final answer
    x = 1,139.05

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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.