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Finding the Fourth Proportional to 32,704.80, 49,057.20 and 21,551.10

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Solution

The fourth proportional to 32,704.80, 49,057.20 and 21,551.10 is: 32,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,704.80 : 49,057.20 = 21,551.10 : x
  2. Step 2: Convert to fraction form
    32,704.80/49,057.20 = 21,551.10/x
  3. Step 3: Cross multiply
    32,704.80x = 49,057.20 × 21,551.10
  4. Step 4: Simplify right side
    32,704.80x = 1,057,236,622.92
  5. Step 5: Solve for x
    x = 1,057,236,622.92/32,704.80
  6. Step 6: Final answer
    x = 32,326.65

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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.