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Finding the Fourth Proportional to 34,394.59, 51,583.22 and 13,327.40

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Solution

The fourth proportional to 34,394.59, 51,583.22 and 13,327.40 is: 19,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.59 : 51,583.22 = 13,327.40 : x
  2. Step 2: Convert to fraction form
    34,394.59/51,583.22 = 13,327.40/x
  3. Step 3: Cross multiply
    34,394.59x = 51,583.22 × 13,327.40
  4. Step 4: Simplify right side
    34,394.59x = 687,469,948.31
  5. Step 5: Solve for x
    x = 687,469,948.31/34,394.59
  6. Step 6: Final answer
    x = 19,987.74

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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.