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Finding the Fourth Proportional to 54,995.96, 75,855.22 and 50,473.22

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Solution

The fourth proportional to 54,995.96, 75,855.22 and 50,473.22 is: 69,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,995.96 : 75,855.22 = 50,473.22 : x
  2. Step 2: Convert to fraction form
    54,995.96/75,855.22 = 50,473.22/x
  3. Step 3: Cross multiply
    54,995.96x = 75,855.22 × 50,473.22
  4. Step 4: Simplify right side
    54,995.96x = 3,828,656,915.09
  5. Step 5: Solve for x
    x = 3,828,656,915.09/54,995.96
  6. Step 6: Final answer
    x = 69,617.05

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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.