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Finding the Fourth Proportional to 8,167.33, 11,270.28 and 4,631.11

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Solution

The fourth proportional to 8,167.33, 11,270.28 and 4,631.11 is: 6,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.33 : 11,270.28 = 4,631.11 : x
  2. Step 2: Convert to fraction form
    8,167.33/11,270.28 = 4,631.11/x
  3. Step 3: Cross multiply
    8,167.33x = 11,270.28 × 4,631.11
  4. Step 4: Simplify right side
    8,167.33x = 52,193,906.41
  5. Step 5: Solve for x
    x = 52,193,906.41/8,167.33
  6. Step 6: Final answer
    x = 6,390.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.