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Finding the Fourth Proportional to 63,232.48, 94,848.72 and 21,679.84

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Solution

The fourth proportional to 63,232.48, 94,848.72 and 21,679.84 is: 32,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,232.48 : 94,848.72 = 21,679.84 : x
  2. Step 2: Convert to fraction form
    63,232.48/94,848.72 = 21,679.84/x
  3. Step 3: Cross multiply
    63,232.48x = 94,848.72 × 21,679.84
  4. Step 4: Simplify right side
    63,232.48x = 2,056,305,073.80
  5. Step 5: Solve for x
    x = 2,056,305,073.80/63,232.48
  6. Step 6: Final answer
    x = 32,519.76

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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.