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Finding the Fourth Proportional to 34,393.68, 51,597.90 and 11,019.96

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Solution

The fourth proportional to 34,393.68, 51,597.90 and 11,019.96 is: 16,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,393.68 : 51,597.90 = 11,019.96 : x
  2. Step 2: Convert to fraction form
    34,393.68/51,597.90 = 11,019.96/x
  3. Step 3: Cross multiply
    34,393.68x = 51,597.90 × 11,019.96
  4. Step 4: Simplify right side
    34,393.68x = 568,606,794.08
  5. Step 5: Solve for x
    x = 568,606,794.08/34,393.68
  6. Step 6: Final answer
    x = 16,532.30

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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.