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Finding the Fourth Proportional to 54,793.98, 75,615.63 and 29,643.48

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Solution

The fourth proportional to 54,793.98, 75,615.63 and 29,643.48 is: 40,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,793.98 : 75,615.63 = 29,643.48 : x
  2. Step 2: Convert to fraction form
    54,793.98/75,615.63 = 29,643.48/x
  3. Step 3: Cross multiply
    54,793.98x = 75,615.63 × 29,643.48
  4. Step 4: Simplify right side
    54,793.98x = 2,241,510,415.59
  5. Step 5: Solve for x
    x = 2,241,510,415.59/54,793.98
  6. Step 6: Final answer
    x = 40,907.97

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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.