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Finding the Fourth Proportional to 36,366, 50,185.11 and 22,218.75

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Solution

The fourth proportional to 36,366, 50,185.11 and 22,218.75 is: 30,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,366 : 50,185.11 = 22,218.75 : x
  2. Step 2: Convert to fraction form
    36,366/50,185.11 = 22,218.75/x
  3. Step 3: Cross multiply
    36,366x = 50,185.11 × 22,218.75
  4. Step 4: Simplify right side
    36,366x = 1,115,050,412.81
  5. Step 5: Solve for x
    x = 1,115,050,412.81/36,366
  6. Step 6: Final answer
    x = 30,661.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.