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Finding the Fourth Proportional to 34,396.81, 51,595.31 and 14,662.78

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Solution

The fourth proportional to 34,396.81, 51,595.31 and 14,662.78 is: 21,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.81 : 51,595.31 = 14,662.78 : x
  2. Step 2: Convert to fraction form
    34,396.81/51,595.31 = 14,662.78/x
  3. Step 3: Cross multiply
    34,396.81x = 51,595.31 × 14,662.78
  4. Step 4: Simplify right side
    34,396.81x = 756,530,679.56
  5. Step 5: Solve for x
    x = 756,530,679.56/34,396.81
  6. Step 6: Final answer
    x = 21,994.21

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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.