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Finding the Fourth Proportional to 54,551.70, 81,633.15 and 37,833.30

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Solution

The fourth proportional to 54,551.70, 81,633.15 and 37,833.30 is: 56,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,551.70 : 81,633.15 = 37,833.30 : x
  2. Step 2: Convert to fraction form
    54,551.70/81,633.15 = 37,833.30/x
  3. Step 3: Cross multiply
    54,551.70x = 81,633.15 × 37,833.30
  4. Step 4: Simplify right side
    54,551.70x = 3,088,451,453.90
  5. Step 5: Solve for x
    x = 3,088,451,453.90/54,551.70
  6. Step 6: Final answer
    x = 56,615.13

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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.