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Finding the Fourth Proportional to 8,576.82, 12,865.23 and 4,679.10

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Solution

The fourth proportional to 8,576.82, 12,865.23 and 4,679.10 is: 7,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.82 : 12,865.23 = 4,679.10 : x
  2. Step 2: Convert to fraction form
    8,576.82/12,865.23 = 4,679.10/x
  3. Step 3: Cross multiply
    8,576.82x = 12,865.23 × 4,679.10
  4. Step 4: Simplify right side
    8,576.82x = 60,197,697.69
  5. Step 5: Solve for x
    x = 60,197,697.69/8,576.82
  6. Step 6: Final answer
    x = 7,018.65

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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.