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Finding the Fourth Proportional to 54,063.80, 80,901.30 and 36,567.80

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Solution

The fourth proportional to 54,063.80, 80,901.30 and 36,567.80 is: 54,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,063.80 : 80,901.30 = 36,567.80 : x
  2. Step 2: Convert to fraction form
    54,063.80/80,901.30 = 36,567.80/x
  3. Step 3: Cross multiply
    54,063.80x = 80,901.30 × 36,567.80
  4. Step 4: Simplify right side
    54,063.80x = 2,958,382,558.14
  5. Step 5: Solve for x
    x = 2,958,382,558.14/54,063.80
  6. Step 6: Final answer
    x = 54,720.21

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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.