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Finding the Fourth Proportional to 63,812.68, 95,729.39 and 21,696.52

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Solution

The fourth proportional to 63,812.68, 95,729.39 and 21,696.52 is: 32,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,812.68 : 95,729.39 = 21,696.52 : x
  2. Step 2: Convert to fraction form
    63,812.68/95,729.39 = 21,696.52/x
  3. Step 3: Cross multiply
    63,812.68x = 95,729.39 × 21,696.52
  4. Step 4: Simplify right side
    63,812.68x = 2,076,994,624.72
  5. Step 5: Solve for x
    x = 2,076,994,624.72/63,812.68
  6. Step 6: Final answer
    x = 32,548.31

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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.