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Finding the Fourth Proportional to 29,974.62, 44,947.95 and 8,906.92

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Solution

The fourth proportional to 29,974.62, 44,947.95 and 8,906.92 is: 13,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974.62 : 44,947.95 = 8,906.92 : x
  2. Step 2: Convert to fraction form
    29,974.62/44,947.95 = 8,906.92/x
  3. Step 3: Cross multiply
    29,974.62x = 44,947.95 × 8,906.92
  4. Step 4: Simplify right side
    29,974.62x = 400,347,794.81
  5. Step 5: Solve for x
    x = 400,347,794.81/29,974.62
  6. Step 6: Final answer
    x = 13,356.23

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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.