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Finding the Fourth Proportional to 34,412.80, 51,619.20 and 27,500.80

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Solution

The fourth proportional to 34,412.80, 51,619.20 and 27,500.80 is: 41,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,412.80 : 51,619.20 = 27,500.80 : x
  2. Step 2: Convert to fraction form
    34,412.80/51,619.20 = 27,500.80/x
  3. Step 3: Cross multiply
    34,412.80x = 51,619.20 × 27,500.80
  4. Step 4: Simplify right side
    34,412.80x = 1,419,569,295.36
  5. Step 5: Solve for x
    x = 1,419,569,295.36/34,412.80
  6. Step 6: Final answer
    x = 41,251.20

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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.