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Finding the Fourth Proportional to 4,613.41, 6,368.79 and 2,845.99

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Solution

The fourth proportional to 4,613.41, 6,368.79 and 2,845.99 is: 3,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.41 : 6,368.79 = 2,845.99 : x
  2. Step 2: Convert to fraction form
    4,613.41/6,368.79 = 2,845.99/x
  3. Step 3: Cross multiply
    4,613.41x = 6,368.79 × 2,845.99
  4. Step 4: Simplify right side
    4,613.41x = 18,125,512.65
  5. Step 5: Solve for x
    x = 18,125,512.65/4,613.41
  6. Step 6: Final answer
    x = 3,928.88

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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.