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Finding the Fourth Proportional to 63,753, 87,979.14 and 37,257

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Solution

The fourth proportional to 63,753, 87,979.14 and 37,257 is: 51,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,753 : 87,979.14 = 37,257 : x
  2. Step 2: Convert to fraction form
    63,753/87,979.14 = 37,257/x
  3. Step 3: Cross multiply
    63,753x = 87,979.14 × 37,257
  4. Step 4: Simplify right side
    63,753x = 3,277,838,818.98
  5. Step 5: Solve for x
    x = 3,277,838,818.98/63,753
  6. Step 6: Final answer
    x = 51,414.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.