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Finding the Fourth Proportional to 29,425.20, 44,137.48 and 8,647.92

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Solution

The fourth proportional to 29,425.20, 44,137.48 and 8,647.92 is: 12,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,425.20 : 44,137.48 = 8,647.92 : x
  2. Step 2: Convert to fraction form
    29,425.20/44,137.48 = 8,647.92/x
  3. Step 3: Cross multiply
    29,425.20x = 44,137.48 × 8,647.92
  4. Step 4: Simplify right side
    29,425.20x = 381,697,396.04
  5. Step 5: Solve for x
    x = 381,697,396.04/29,425.20
  6. Step 6: Final answer
    x = 12,971.79

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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.