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Finding the Fourth Proportional to 45,581.94, 68,385.47 and 15,995.88

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Solution

The fourth proportional to 45,581.94, 68,385.47 and 15,995.88 is: 23,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.94 : 68,385.47 = 15,995.88 : x
  2. Step 2: Convert to fraction form
    45,581.94/68,385.47 = 15,995.88/x
  3. Step 3: Cross multiply
    45,581.94x = 68,385.47 × 15,995.88
  4. Step 4: Simplify right side
    45,581.94x = 1,093,885,691.88
  5. Step 5: Solve for x
    x = 1,093,885,691.88/45,581.94
  6. Step 6: Final answer
    x = 23,998.23

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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.