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Finding the Fourth Proportional to 54,752.72, 82,093.77 and 21,476.15

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Solution

The fourth proportional to 54,752.72, 82,093.77 and 21,476.15 is: 32,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.72 : 82,093.77 = 21,476.15 : x
  2. Step 2: Convert to fraction form
    54,752.72/82,093.77 = 21,476.15/x
  3. Step 3: Cross multiply
    54,752.72x = 82,093.77 × 21,476.15
  4. Step 4: Simplify right side
    54,752.72x = 1,763,058,011.20
  5. Step 5: Solve for x
    x = 1,763,058,011.20/54,752.72
  6. Step 6: Final answer
    x = 32,200.37

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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.