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Finding the Fourth Proportional to 2,340.97, 3,511.44 and 954.28

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Solution

The fourth proportional to 2,340.97, 3,511.44 and 954.28 is: 1,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.97 : 3,511.44 = 954.28 : x
  2. Step 2: Convert to fraction form
    2,340.97/3,511.44 = 954.28/x
  3. Step 3: Cross multiply
    2,340.97x = 3,511.44 × 954.28
  4. Step 4: Simplify right side
    2,340.97x = 3,350,896.96
  5. Step 5: Solve for x
    x = 3,350,896.96/2,340.97
  6. Step 6: Final answer
    x = 1,431.41

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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.