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Finding the Fourth Proportional to 48,057.36, 66,348.36 and 32,974.80

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Solution

The fourth proportional to 48,057.36, 66,348.36 and 32,974.80 is: 45,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.36 : 66,348.36 = 32,974.80 : x
  2. Step 2: Convert to fraction form
    48,057.36/66,348.36 = 32,974.80/x
  3. Step 3: Cross multiply
    48,057.36x = 66,348.36 × 32,974.80
  4. Step 4: Simplify right side
    48,057.36x = 2,187,823,901.33
  5. Step 5: Solve for x
    x = 2,187,823,901.33/48,057.36
  6. Step 6: Final answer
    x = 45,525.26

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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.