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Finding the Fourth Proportional to 53,297.11, 79,945.53 and 50,049.28

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Solution

The fourth proportional to 53,297.11, 79,945.53 and 50,049.28 is: 75,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.11 : 79,945.53 = 50,049.28 : x
  2. Step 2: Convert to fraction form
    53,297.11/79,945.53 = 50,049.28/x
  3. Step 3: Cross multiply
    53,297.11x = 79,945.53 × 50,049.28
  4. Step 4: Simplify right side
    53,297.11x = 4,001,216,215.72
  5. Step 5: Solve for x
    x = 4,001,216,215.72/53,297.11
  6. Step 6: Final answer
    x = 75,073.79

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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.