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Finding the Fourth Proportional to 8,906.73, 12,295.22 and 5,322.95

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Solution

The fourth proportional to 8,906.73, 12,295.22 and 5,322.95 is: 7,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.73 : 12,295.22 = 5,322.95 : x
  2. Step 2: Convert to fraction form
    8,906.73/12,295.22 = 5,322.95/x
  3. Step 3: Cross multiply
    8,906.73x = 12,295.22 × 5,322.95
  4. Step 4: Simplify right side
    8,906.73x = 65,446,753.21
  5. Step 5: Solve for x
    x = 65,446,753.21/8,906.73
  6. Step 6: Final answer
    x = 7,348.01

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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.