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Finding the Fourth Proportional to 1,844.28, 2,766.09 and 803.70

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Solution

The fourth proportional to 1,844.28, 2,766.09 and 803.70 is: 1,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.28 : 2,766.09 = 803.70 : x
  2. Step 2: Convert to fraction form
    1,844.28/2,766.09 = 803.70/x
  3. Step 3: Cross multiply
    1,844.28x = 2,766.09 × 803.70
  4. Step 4: Simplify right side
    1,844.28x = 2,223,106.53
  5. Step 5: Solve for x
    x = 2,223,106.53/1,844.28
  6. Step 6: Final answer
    x = 1,205.41

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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.