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Finding the Fourth Proportional to 8,663.08, 11,951.94 and 4,934.92

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Solution

The fourth proportional to 8,663.08, 11,951.94 and 4,934.92 is: 6,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.08 : 11,951.94 = 4,934.92 : x
  2. Step 2: Convert to fraction form
    8,663.08/11,951.94 = 4,934.92/x
  3. Step 3: Cross multiply
    8,663.08x = 11,951.94 × 4,934.92
  4. Step 4: Simplify right side
    8,663.08x = 58,981,867.74
  5. Step 5: Solve for x
    x = 58,981,867.74/8,663.08
  6. Step 6: Final answer
    x = 6,808.42

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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.