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Finding the Fourth Proportional to 63,162.84, 94,753.62 and 21,029.16

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Solution

The fourth proportional to 63,162.84, 94,753.62 and 21,029.16 is: 31,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.84 : 94,753.62 = 21,029.16 : x
  2. Step 2: Convert to fraction form
    63,162.84/94,753.62 = 21,029.16/x
  3. Step 3: Cross multiply
    63,162.84x = 94,753.62 × 21,029.16
  4. Step 4: Simplify right side
    63,162.84x = 1,992,589,035.56
  5. Step 5: Solve for x
    x = 1,992,589,035.56/63,162.84
  6. Step 6: Final answer
    x = 31,546.86

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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.