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Finding the Fourth Proportional to 66,923.93, 100,383.01 and 22,550.51

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Solution

The fourth proportional to 66,923.93, 100,383.01 and 22,550.51 is: 33,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.93 : 100,383.01 = 22,550.51 : x
  2. Step 2: Convert to fraction form
    66,923.93/100,383.01 = 22,550.51/x
  3. Step 3: Cross multiply
    66,923.93x = 100,383.01 × 22,550.51
  4. Step 4: Simplify right side
    66,923.93x = 2,263,688,265.42
  5. Step 5: Solve for x
    x = 2,263,688,265.42/66,923.93
  6. Step 6: Final answer
    x = 33,824.79

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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.