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Finding the Fourth Proportional to 1,826.44, 2,740.03 and 730.85

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Solution

The fourth proportional to 1,826.44, 2,740.03 and 730.85 is: 1,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.44 : 2,740.03 = 730.85 : x
  2. Step 2: Convert to fraction form
    1,826.44/2,740.03 = 730.85/x
  3. Step 3: Cross multiply
    1,826.44x = 2,740.03 × 730.85
  4. Step 4: Simplify right side
    1,826.44x = 2,002,535.40
  5. Step 5: Solve for x
    x = 2,002,535.40/1,826.44
  6. Step 6: Final answer
    x = 1,096.42

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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.