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Finding the Fourth Proportional to 64,956.38, 89,641.22 and 36,662.27

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Solution

The fourth proportional to 64,956.38, 89,641.22 and 36,662.27 is: 50,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,956.38 : 89,641.22 = 36,662.27 : x
  2. Step 2: Convert to fraction form
    64,956.38/89,641.22 = 36,662.27/x
  3. Step 3: Cross multiply
    64,956.38x = 89,641.22 × 36,662.27
  4. Step 4: Simplify right side
    64,956.38x = 3,286,449,979.25
  5. Step 5: Solve for x
    x = 3,286,449,979.25/64,956.38
  6. Step 6: Final answer
    x = 50,594.73

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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.