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Finding the Fourth Proportional to 45,491.45, 62,777.35 and 25,347.90

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Solution

The fourth proportional to 45,491.45, 62,777.35 and 25,347.90 is: 34,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.45 : 62,777.35 = 25,347.90 : x
  2. Step 2: Convert to fraction form
    45,491.45/62,777.35 = 25,347.90/x
  3. Step 3: Cross multiply
    45,491.45x = 62,777.35 × 25,347.90
  4. Step 4: Simplify right side
    45,491.45x = 1,591,273,832.75
  5. Step 5: Solve for x
    x = 1,591,273,832.75/45,491.45
  6. Step 6: Final answer
    x = 34,979.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.