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Finding the Fourth Proportional to 47,168.76, 70,753.92 and 37,765.20

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Solution

The fourth proportional to 47,168.76, 70,753.92 and 37,765.20 is: 56,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.76 : 70,753.92 = 37,765.20 : x
  2. Step 2: Convert to fraction form
    47,168.76/70,753.92 = 37,765.20/x
  3. Step 3: Cross multiply
    47,168.76x = 70,753.92 × 37,765.20
  4. Step 4: Simplify right side
    47,168.76x = 2,672,035,939.58
  5. Step 5: Solve for x
    x = 2,672,035,939.58/47,168.76
  6. Step 6: Final answer
    x = 56,648.42

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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.