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Finding the Fourth Proportional to 2,826.56, 4,240.04 and 746.54

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Solution

The fourth proportional to 2,826.56, 4,240.04 and 746.54 is: 1,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.56 : 4,240.04 = 746.54 : x
  2. Step 2: Convert to fraction form
    2,826.56/4,240.04 = 746.54/x
  3. Step 3: Cross multiply
    2,826.56x = 4,240.04 × 746.54
  4. Step 4: Simplify right side
    2,826.56x = 3,165,370.06
  5. Step 5: Solve for x
    x = 3,165,370.06/2,826.56
  6. Step 6: Final answer
    x = 1,119.87

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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.