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Finding the Fourth Proportional to 11,994.57, 16,552.11 and 6,689.27

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Solution

The fourth proportional to 11,994.57, 16,552.11 and 6,689.27 is: 9,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.57 : 16,552.11 = 6,689.27 : x
  2. Step 2: Convert to fraction form
    11,994.57/16,552.11 = 6,689.27/x
  3. Step 3: Cross multiply
    11,994.57x = 16,552.11 × 6,689.27
  4. Step 4: Simplify right side
    11,994.57x = 110,721,532.86
  5. Step 5: Solve for x
    x = 110,721,532.86/11,994.57
  6. Step 6: Final answer
    x = 9,230.97

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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.