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Finding the Fourth Proportional to 45,119.52, 67,745.81 and 25,167.99

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Solution

The fourth proportional to 45,119.52, 67,745.81 and 25,167.99 is: 37,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.52 : 67,745.81 = 25,167.99 : x
  2. Step 2: Convert to fraction form
    45,119.52/67,745.81 = 25,167.99/x
  3. Step 3: Cross multiply
    45,119.52x = 67,745.81 × 25,167.99
  4. Step 4: Simplify right side
    45,119.52x = 1,705,026,185.59
  5. Step 5: Solve for x
    x = 1,705,026,185.59/45,119.52
  6. Step 6: Final answer
    x = 37,789.10

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1.5x scale

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.