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Finding the Fourth Proportional to 63,505.94, 95,224.86 and 21,372

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Solution

The fourth proportional to 63,505.94, 95,224.86 and 21,372 is: 32,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.94 : 95,224.86 = 21,372 : x
  2. Step 2: Convert to fraction form
    63,505.94/95,224.86 = 21,372/x
  3. Step 3: Cross multiply
    63,505.94x = 95,224.86 × 21,372
  4. Step 4: Simplify right side
    63,505.94x = 2,035,145,707.92
  5. Step 5: Solve for x
    x = 2,035,145,707.92/63,505.94
  6. Step 6: Final answer
    x = 32,046.54

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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.