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Finding the Fourth Proportional to 8,495.73, 11,729.88 and 5,310.27

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Solution

The fourth proportional to 8,495.73, 11,729.88 and 5,310.27 is: 7,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.73 : 11,729.88 = 5,310.27 : x
  2. Step 2: Convert to fraction form
    8,495.73/11,729.88 = 5,310.27/x
  3. Step 3: Cross multiply
    8,495.73x = 11,729.88 × 5,310.27
  4. Step 4: Simplify right side
    8,495.73x = 62,288,829.87
  5. Step 5: Solve for x
    x = 62,288,829.87/8,495.73
  6. Step 6: Final answer
    x = 7,331.78

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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.