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Finding the Fourth Proportional to 5,063,169.78, 7,593,786.99 and 1,517,313.78

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Solution

The fourth proportional to 5,063,169.78, 7,593,786.99 and 1,517,313.78 is: 2,275,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063,169.78 : 7,593,786.99 = 1,517,313.78 : x
  2. Step 2: Convert to fraction form
    5,063,169.78/7,593,786.99 = 1,517,313.78/x
  3. Step 3: Cross multiply
    5,063,169.78x = 7,593,786.99 × 1,517,313.78
  4. Step 4: Simplify right side
    5,063,169.78x = 11,522,157,642,311.72
  5. Step 5: Solve for x
    x = 11,522,157,642,311.72/5,063,169.78
  6. Step 6: Final answer
    x = 2,275,680.68

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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.