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Finding the Fourth Proportional to 34,396.40, 51,601.80 and 11,025.20

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Solution

The fourth proportional to 34,396.40, 51,601.80 and 11,025.20 is: 16,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.40 : 51,601.80 = 11,025.20 : x
  2. Step 2: Convert to fraction form
    34,396.40/51,601.80 = 11,025.20/x
  3. Step 3: Cross multiply
    34,396.40x = 51,601.80 × 11,025.20
  4. Step 4: Simplify right side
    34,396.40x = 568,920,165.36
  5. Step 5: Solve for x
    x = 568,920,165.36/34,396.40
  6. Step 6: Final answer
    x = 16,540.11

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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.