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Finding the Fourth Proportional to 11,642.92, 16,067.22 and 6,337.77

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Solution

The fourth proportional to 11,642.92, 16,067.22 and 6,337.77 is: 8,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.92 : 16,067.22 = 6,337.77 : x
  2. Step 2: Convert to fraction form
    11,642.92/16,067.22 = 6,337.77/x
  3. Step 3: Cross multiply
    11,642.92x = 16,067.22 × 6,337.77
  4. Step 4: Simplify right side
    11,642.92x = 101,830,344.90
  5. Step 5: Solve for x
    x = 101,830,344.90/11,642.92
  6. Step 6: Final answer
    x = 8,746.12

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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.