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Finding the Fourth Proportional to 45,844.80, 68,864.40 and 44,192.40

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Solution

The fourth proportional to 45,844.80, 68,864.40 and 44,192.40 is: 66,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,844.80 : 68,864.40 = 44,192.40 : x
  2. Step 2: Convert to fraction form
    45,844.80/68,864.40 = 44,192.40/x
  3. Step 3: Cross multiply
    45,844.80x = 68,864.40 × 44,192.40
  4. Step 4: Simplify right side
    45,844.80x = 3,043,283,110.56
  5. Step 5: Solve for x
    x = 3,043,283,110.56/45,844.80
  6. Step 6: Final answer
    x = 66,382.30

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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.