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Finding the Fourth Proportional to 47,388.72, 65,410.91 and 29,244.99

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Solution

The fourth proportional to 47,388.72, 65,410.91 and 29,244.99 is: 40,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388.72 : 65,410.91 = 29,244.99 : x
  2. Step 2: Convert to fraction form
    47,388.72/65,410.91 = 29,244.99/x
  3. Step 3: Cross multiply
    47,388.72x = 65,410.91 × 29,244.99
  4. Step 4: Simplify right side
    47,388.72x = 1,912,941,481.95
  5. Step 5: Solve for x
    x = 1,912,941,481.95/47,388.72
  6. Step 6: Final answer
    x = 40,367.02

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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.