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Finding the Fourth Proportional to 45,665.75, 68,499.03 and 17,963.75

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Solution

The fourth proportional to 45,665.75, 68,499.03 and 17,963.75 is: 26,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.75 : 68,499.03 = 17,963.75 : x
  2. Step 2: Convert to fraction form
    45,665.75/68,499.03 = 17,963.75/x
  3. Step 3: Cross multiply
    45,665.75x = 68,499.03 × 17,963.75
  4. Step 4: Simplify right side
    45,665.75x = 1,230,499,450.16
  5. Step 5: Solve for x
    x = 1,230,499,450.16/45,665.75
  6. Step 6: Final answer
    x = 26,945.78

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1.5x scale

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.