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Finding the Fourth Proportional to 4,613.93, 6,928.19 and 3,644.36

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Solution

The fourth proportional to 4,613.93, 6,928.19 and 3,644.36 is: 5,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.93 : 6,928.19 = 3,644.36 : x
  2. Step 2: Convert to fraction form
    4,613.93/6,928.19 = 3,644.36/x
  3. Step 3: Cross multiply
    4,613.93x = 6,928.19 × 3,644.36
  4. Step 4: Simplify right side
    4,613.93x = 25,248,765.65
  5. Step 5: Solve for x
    x = 25,248,765.65/4,613.93
  6. Step 6: Final answer
    x = 5,472.30

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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.