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Finding the Fourth Proportional to 4,865.61, 7,298.41 and 3,481.65

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Solution

The fourth proportional to 4,865.61, 7,298.41 and 3,481.65 is: 5,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.61 : 7,298.41 = 3,481.65 : x
  2. Step 2: Convert to fraction form
    4,865.61/7,298.41 = 3,481.65/x
  3. Step 3: Cross multiply
    4,865.61x = 7,298.41 × 3,481.65
  4. Step 4: Simplify right side
    4,865.61x = 25,410,516.79
  5. Step 5: Solve for x
    x = 25,410,516.79/4,865.61
  6. Step 6: Final answer
    x = 5,222.47

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Similar ratio
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1.5x scale

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.