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Finding the Fourth Proportional to 36,914.28, 55,371.42 and 9,212.28

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Solution

The fourth proportional to 36,914.28, 55,371.42 and 9,212.28 is: 13,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,914.28 : 55,371.42 = 9,212.28 : x
  2. Step 2: Convert to fraction form
    36,914.28/55,371.42 = 9,212.28/x
  3. Step 3: Cross multiply
    36,914.28x = 55,371.42 × 9,212.28
  4. Step 4: Simplify right side
    36,914.28x = 510,097,025.04
  5. Step 5: Solve for x
    x = 510,097,025.04/36,914.28
  6. Step 6: Final answer
    x = 13,818.42

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Similar ratio
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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.