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Finding the Fourth Proportional to 34,759.80, 51,978.42 and 33,008.76

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Solution

The fourth proportional to 34,759.80, 51,978.42 and 33,008.76 is: 49,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,759.80 : 51,978.42 = 33,008.76 : x
  2. Step 2: Convert to fraction form
    34,759.80/51,978.42 = 33,008.76/x
  3. Step 3: Cross multiply
    34,759.80x = 51,978.42 × 33,008.76
  4. Step 4: Simplify right side
    34,759.80x = 1,715,743,190.96
  5. Step 5: Solve for x
    x = 1,715,743,190.96/34,759.80
  6. Step 6: Final answer
    x = 49,359.98

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1.5x scale

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.