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Finding the Fourth Proportional to 8,093.72, 11,168.35 and 4,690.71

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Solution

The fourth proportional to 8,093.72, 11,168.35 and 4,690.71 is: 6,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.72 : 11,168.35 = 4,690.71 : x
  2. Step 2: Convert to fraction form
    8,093.72/11,168.35 = 4,690.71/x
  3. Step 3: Cross multiply
    8,093.72x = 11,168.35 × 4,690.71
  4. Step 4: Simplify right side
    8,093.72x = 52,387,521.18
  5. Step 5: Solve for x
    x = 52,387,521.18/8,093.72
  6. Step 6: Final answer
    x = 6,472.61

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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.