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Finding the Fourth Proportional to 32,687.68, 45,105.96 and 22,091.56

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Solution

The fourth proportional to 32,687.68, 45,105.96 and 22,091.56 is: 30,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.68 : 45,105.96 = 22,091.56 : x
  2. Step 2: Convert to fraction form
    32,687.68/45,105.96 = 22,091.56/x
  3. Step 3: Cross multiply
    32,687.68x = 45,105.96 × 22,091.56
  4. Step 4: Simplify right side
    32,687.68x = 996,461,021.70
  5. Step 5: Solve for x
    x = 996,461,021.70/32,687.68
  6. Step 6: Final answer
    x = 30,484.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.