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Finding the Fourth Proportional to 63,212.66, 94,787.24 and 21,077.83

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Solution

The fourth proportional to 63,212.66, 94,787.24 and 21,077.83 is: 31,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.66 : 94,787.24 = 21,077.83 : x
  2. Step 2: Convert to fraction form
    63,212.66/94,787.24 = 21,077.83/x
  3. Step 3: Cross multiply
    63,212.66x = 94,787.24 × 21,077.83
  4. Step 4: Simplify right side
    63,212.66x = 1,997,909,146.62
  5. Step 5: Solve for x
    x = 1,997,909,146.62/63,212.66
  6. Step 6: Final answer
    x = 31,606.15

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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.