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Finding the Fourth Proportional to 34,504.60, 51,679.14 and 20,624.44

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Solution

The fourth proportional to 34,504.60, 51,679.14 and 20,624.44 is: 30,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,504.60 : 51,679.14 = 20,624.44 : x
  2. Step 2: Convert to fraction form
    34,504.60/51,679.14 = 20,624.44/x
  3. Step 3: Cross multiply
    34,504.60x = 51,679.14 × 20,624.44
  4. Step 4: Simplify right side
    34,504.60x = 1,065,853,322.18
  5. Step 5: Solve for x
    x = 1,065,853,322.18/34,504.60
  6. Step 6: Final answer
    x = 30,890.18

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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.