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Finding the Fourth Proportional to 8,474,844.64, 11,695,418.67 and 4,607,380.57

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Solution

The fourth proportional to 8,474,844.64, 11,695,418.67 and 4,607,380.57 is: 6,358,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,844.64 : 11,695,418.67 = 4,607,380.57 : x
  2. Step 2: Convert to fraction form
    8,474,844.64/11,695,418.67 = 4,607,380.57/x
  3. Step 3: Cross multiply
    8,474,844.64x = 11,695,418.67 × 4,607,380.57
  4. Step 4: Simplify right side
    8,474,844.64x = 53,885,244,738,173.24
  5. Step 5: Solve for x
    x = 53,885,244,738,173.24/8,474,844.64
  6. Step 6: Final answer
    x = 6,358,257.53

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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.