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Finding the Fourth Proportional to 8,324.76, 12,488.82 and 4,167.48

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Solution

The fourth proportional to 8,324.76, 12,488.82 and 4,167.48 is: 6,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.76 : 12,488.82 = 4,167.48 : x
  2. Step 2: Convert to fraction form
    8,324.76/12,488.82 = 4,167.48/x
  3. Step 3: Cross multiply
    8,324.76x = 12,488.82 × 4,167.48
  4. Step 4: Simplify right side
    8,324.76x = 52,046,907.57
  5. Step 5: Solve for x
    x = 52,046,907.57/8,324.76
  6. Step 6: Final answer
    x = 6,252.06

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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.