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Finding the Fourth Proportional to 54,753.94, 75,491.99 and 45,692.32

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Solution

The fourth proportional to 54,753.94, 75,491.99 and 45,692.32 is: 62,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.94 : 75,491.99 = 45,692.32 : x
  2. Step 2: Convert to fraction form
    54,753.94/75,491.99 = 45,692.32/x
  3. Step 3: Cross multiply
    54,753.94x = 75,491.99 × 45,692.32
  4. Step 4: Simplify right side
    54,753.94x = 3,449,404,164.52
  5. Step 5: Solve for x
    x = 3,449,404,164.52/54,753.94
  6. Step 6: Final answer
    x = 62,998.28

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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.