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Finding the Fourth Proportional to 53,565.65, 80,336.94 and 21,944.71

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Solution

The fourth proportional to 53,565.65, 80,336.94 and 21,944.71 is: 32,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.65 : 80,336.94 = 21,944.71 : x
  2. Step 2: Convert to fraction form
    53,565.65/80,336.94 = 21,944.71/x
  3. Step 3: Cross multiply
    53,565.65x = 80,336.94 × 21,944.71
  4. Step 4: Simplify right side
    53,565.65x = 1,762,970,850.59
  5. Step 5: Solve for x
    x = 1,762,970,850.59/53,565.65
  6. Step 6: Final answer
    x = 32,912.34

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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.