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Finding the Fourth Proportional to 11,550.51, 17,323.11 and 3,231.11

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Solution

The fourth proportional to 11,550.51, 17,323.11 and 3,231.11 is: 4,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.51 : 17,323.11 = 3,231.11 : x
  2. Step 2: Convert to fraction form
    11,550.51/17,323.11 = 3,231.11/x
  3. Step 3: Cross multiply
    11,550.51x = 17,323.11 × 3,231.11
  4. Step 4: Simplify right side
    11,550.51x = 55,972,917.26
  5. Step 5: Solve for x
    x = 55,972,917.26/11,550.51
  6. Step 6: Final answer
    x = 4,845.93

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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.