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Finding the Fourth Proportional to 4,613.78, 6,915.20 and 3,514.74

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Solution

The fourth proportional to 4,613.78, 6,915.20 and 3,514.74 is: 5,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.78 : 6,915.20 = 3,514.74 : x
  2. Step 2: Convert to fraction form
    4,613.78/6,915.20 = 3,514.74/x
  3. Step 3: Cross multiply
    4,613.78x = 6,915.20 × 3,514.74
  4. Step 4: Simplify right side
    4,613.78x = 24,305,112.47
  5. Step 5: Solve for x
    x = 24,305,112.47/4,613.78
  6. Step 6: Final answer
    x = 5,267.94

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