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Finding the Fourth Proportional to 22,891.77, 34,341.12 and 8,100.86

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Solution

The fourth proportional to 22,891.77, 34,341.12 and 8,100.86 is: 12,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.77 : 34,341.12 = 8,100.86 : x
  2. Step 2: Convert to fraction form
    22,891.77/34,341.12 = 8,100.86/x
  3. Step 3: Cross multiply
    22,891.77x = 34,341.12 × 8,100.86
  4. Step 4: Simplify right side
    22,891.77x = 278,192,433.66
  5. Step 5: Solve for x
    x = 278,192,433.66/22,891.77
  6. Step 6: Final answer
    x = 12,152.51

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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.