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Finding the Fourth Proportional to 34,759.67, 52,209.30 and 20,747.06

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Solution

The fourth proportional to 34,759.67, 52,209.30 and 20,747.06 is: 31,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,759.67 : 52,209.30 = 20,747.06 : x
  2. Step 2: Convert to fraction form
    34,759.67/52,209.30 = 20,747.06/x
  3. Step 3: Cross multiply
    34,759.67x = 52,209.30 × 20,747.06
  4. Step 4: Simplify right side
    34,759.67x = 1,083,189,479.66
  5. Step 5: Solve for x
    x = 1,083,189,479.66/34,759.67
  6. Step 6: Final answer
    x = 31,162.25

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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.