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Finding the Fourth Proportional to 16,207.91, 22,366.93 and 8,755.91

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Solution

The fourth proportional to 16,207.91, 22,366.93 and 8,755.91 is: 12,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,207.91 : 22,366.93 = 8,755.91 : x
  2. Step 2: Convert to fraction form
    16,207.91/22,366.93 = 8,755.91/x
  3. Step 3: Cross multiply
    16,207.91x = 22,366.93 × 8,755.91
  4. Step 4: Simplify right side
    16,207.91x = 195,842,826.06
  5. Step 5: Solve for x
    x = 195,842,826.06/16,207.91
  6. Step 6: Final answer
    x = 12,083.16

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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.