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Finding the Fourth Proportional to 22,874.60, 34,305.73 and 8,081.57

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Solution

The fourth proportional to 22,874.60, 34,305.73 and 8,081.57 is: 12,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,874.60 : 34,305.73 = 8,081.57 : x
  2. Step 2: Convert to fraction form
    22,874.60/34,305.73 = 8,081.57/x
  3. Step 3: Cross multiply
    22,874.60x = 34,305.73 × 8,081.57
  4. Step 4: Simplify right side
    22,874.60x = 277,243,946.46
  5. Step 5: Solve for x
    x = 277,243,946.46/22,874.60
  6. Step 6: Final answer
    x = 12,120.17

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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.