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Finding the Fourth Proportional to 54,980.42, 75,872.03 and 33,462.36

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Solution

The fourth proportional to 54,980.42, 75,872.03 and 33,462.36 is: 46,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.42 : 75,872.03 = 33,462.36 : x
  2. Step 2: Convert to fraction form
    54,980.42/75,872.03 = 33,462.36/x
  3. Step 3: Cross multiply
    54,980.42x = 75,872.03 × 33,462.36
  4. Step 4: Simplify right side
    54,980.42x = 2,538,857,014.48
  5. Step 5: Solve for x
    x = 2,538,857,014.48/54,980.42
  6. Step 6: Final answer
    x = 46,177.48

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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.