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Finding the Fourth Proportional to 60,487.88, 83,473.27 and 33,991.88

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Solution

The fourth proportional to 60,487.88, 83,473.27 and 33,991.88 is: 46,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.88 : 83,473.27 = 33,991.88 : x
  2. Step 2: Convert to fraction form
    60,487.88/83,473.27 = 33,991.88/x
  3. Step 3: Cross multiply
    60,487.88x = 83,473.27 × 33,991.88
  4. Step 4: Simplify right side
    60,487.88x = 2,837,412,874.70
  5. Step 5: Solve for x
    x = 2,837,412,874.70/60,487.88
  6. Step 6: Final answer
    x = 46,908.79

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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.