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Finding the Fourth Proportional to 45,876.85, 68,796.54 and 17,791.52

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Solution

The fourth proportional to 45,876.85, 68,796.54 and 17,791.52 is: 26,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,876.85 : 68,796.54 = 17,791.52 : x
  2. Step 2: Convert to fraction form
    45,876.85/68,796.54 = 17,791.52/x
  3. Step 3: Cross multiply
    45,876.85x = 68,796.54 × 17,791.52
  4. Step 4: Simplify right side
    45,876.85x = 1,223,994,673.36
  5. Step 5: Solve for x
    x = 1,223,994,673.36/45,876.85
  6. Step 6: Final answer
    x = 26,680.01

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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.