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Finding the Fourth Proportional to 29,811.87, 44,717.81 and 7,625.30

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Solution

The fourth proportional to 29,811.87, 44,717.81 and 7,625.30 is: 11,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.87 : 44,717.81 = 7,625.30 : x
  2. Step 2: Convert to fraction form
    29,811.87/44,717.81 = 7,625.30/x
  3. Step 3: Cross multiply
    29,811.87x = 44,717.81 × 7,625.30
  4. Step 4: Simplify right side
    29,811.87x = 340,986,454.88
  5. Step 5: Solve for x
    x = 340,986,454.88/29,811.87
  6. Step 6: Final answer
    x = 11,437.94

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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.