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Finding the Fourth Proportional to 71,996.65, 108,010.77 and 22,080.50

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Solution

The fourth proportional to 71,996.65, 108,010.77 and 22,080.50 is: 33,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,996.65 : 108,010.77 = 22,080.50 : x
  2. Step 2: Convert to fraction form
    71,996.65/108,010.77 = 22,080.50/x
  3. Step 3: Cross multiply
    71,996.65x = 108,010.77 × 22,080.50
  4. Step 4: Simplify right side
    71,996.65x = 2,384,931,589.17
  5. Step 5: Solve for x
    x = 2,384,931,589.17/71,996.65
  6. Step 6: Final answer
    x = 33,125.59

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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.