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Finding the Fourth Proportional to 1,794.38, 2,476.38 and 1,008.55

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Solution

The fourth proportional to 1,794.38, 2,476.38 and 1,008.55 is: 1,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.38 : 2,476.38 = 1,008.55 : x
  2. Step 2: Convert to fraction form
    1,794.38/2,476.38 = 1,008.55/x
  3. Step 3: Cross multiply
    1,794.38x = 2,476.38 × 1,008.55
  4. Step 4: Simplify right side
    1,794.38x = 2,497,550.64
  5. Step 5: Solve for x
    x = 2,497,550.64/1,794.38
  6. Step 6: Final answer
    x = 1,391.87

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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.