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Finding the Fourth Proportional to 47,693.34, 65,819.79 and 27,553.91

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Solution

The fourth proportional to 47,693.34, 65,819.79 and 27,553.91 is: 38,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,693.34 : 65,819.79 = 27,553.91 : x
  2. Step 2: Convert to fraction form
    47,693.34/65,819.79 = 27,553.91/x
  3. Step 3: Cross multiply
    47,693.34x = 65,819.79 × 27,553.91
  4. Step 4: Simplify right side
    47,693.34x = 1,813,592,240.78
  5. Step 5: Solve for x
    x = 1,813,592,240.78/47,693.34
  6. Step 6: Final answer
    x = 38,026.11

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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.