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Finding the Fourth Proportional to 29,940.92, 44,920.86 and 8,881.04

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Solution

The fourth proportional to 29,940.92, 44,920.86 and 8,881.04 is: 13,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.92 : 44,920.86 = 8,881.04 : x
  2. Step 2: Convert to fraction form
    29,940.92/44,920.86 = 8,881.04/x
  3. Step 3: Cross multiply
    29,940.92x = 44,920.86 × 8,881.04
  4. Step 4: Simplify right side
    29,940.92x = 398,944,033.49
  5. Step 5: Solve for x
    x = 398,944,033.49/29,940.92
  6. Step 6: Final answer
    x = 13,324.38

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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.