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Finding the Fourth Proportional to 45,169.80, 67,727.70 and 27,652.20

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Solution

The fourth proportional to 45,169.80, 67,727.70 and 27,652.20 is: 41,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.80 : 67,727.70 = 27,652.20 : x
  2. Step 2: Convert to fraction form
    45,169.80/67,727.70 = 27,652.20/x
  3. Step 3: Cross multiply
    45,169.80x = 67,727.70 × 27,652.20
  4. Step 4: Simplify right side
    45,169.80x = 1,872,819,905.94
  5. Step 5: Solve for x
    x = 1,872,819,905.94/45,169.80
  6. Step 6: Final answer
    x = 41,461.77

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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.