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Finding the Fourth Proportional to 2,011.44, 3,016.92 and 550.72

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Solution

The fourth proportional to 2,011.44, 3,016.92 and 550.72 is: 826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.44 : 3,016.92 = 550.72 : x
  2. Step 2: Convert to fraction form
    2,011.44/3,016.92 = 550.72/x
  3. Step 3: Cross multiply
    2,011.44x = 3,016.92 × 550.72
  4. Step 4: Simplify right side
    2,011.44x = 1,661,478.18
  5. Step 5: Solve for x
    x = 1,661,478.18/2,011.44
  6. Step 6: Final answer
    x = 826.01

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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.