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Finding the Fourth Proportional to 1,367.10, 1,885.02 and 1,336.92

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Solution

The fourth proportional to 1,367.10, 1,885.02 and 1,336.92 is: 1,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.10 : 1,885.02 = 1,336.92 : x
  2. Step 2: Convert to fraction form
    1,367.10/1,885.02 = 1,336.92/x
  3. Step 3: Cross multiply
    1,367.10x = 1,885.02 × 1,336.92
  4. Step 4: Simplify right side
    1,367.10x = 2,520,120.94
  5. Step 5: Solve for x
    x = 2,520,120.94/1,367.10
  6. Step 6: Final answer
    x = 1,843.41

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Double scale
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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.