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Finding the Fourth Proportional to 8,476.66, 12,718.50 and 4,576.48

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Solution

The fourth proportional to 8,476.66, 12,718.50 and 4,576.48 is: 6,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.66 : 12,718.50 = 4,576.48 : x
  2. Step 2: Convert to fraction form
    8,476.66/12,718.50 = 4,576.48/x
  3. Step 3: Cross multiply
    8,476.66x = 12,718.50 × 4,576.48
  4. Step 4: Simplify right side
    8,476.66x = 58,205,960.88
  5. Step 5: Solve for x
    x = 58,205,960.88/8,476.66
  6. Step 6: Final answer
    x = 6,866.62

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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.