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Finding the Fourth Proportional to 2,011.10, 3,016.74 and 550.32

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Solution

The fourth proportional to 2,011.10, 3,016.74 and 550.32 is: 825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.10 : 3,016.74 = 550.32 : x
  2. Step 2: Convert to fraction form
    2,011.10/3,016.74 = 550.32/x
  3. Step 3: Cross multiply
    2,011.10x = 3,016.74 × 550.32
  4. Step 4: Simplify right side
    2,011.10x = 1,660,172.36
  5. Step 5: Solve for x
    x = 1,660,172.36/2,011.10
  6. Step 6: Final answer
    x = 825.50

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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.