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Finding the Fourth Proportional to 47,855.91, 71,794.25 and 14,575.11

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Solution

The fourth proportional to 47,855.91, 71,794.25 and 14,575.11 is: 21,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.91 : 71,794.25 = 14,575.11 : x
  2. Step 2: Convert to fraction form
    47,855.91/71,794.25 = 14,575.11/x
  3. Step 3: Cross multiply
    47,855.91x = 71,794.25 × 14,575.11
  4. Step 4: Simplify right side
    47,855.91x = 1,046,408,803.67
  5. Step 5: Solve for x
    x = 1,046,408,803.67/47,855.91
  6. Step 6: Final answer
    x = 21,865.82

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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.