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Finding the Fourth Proportional to 64,626, 96,928.08 and 17,879.04

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Solution

The fourth proportional to 64,626, 96,928.08 and 17,879.04 is: 26,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,626 : 96,928.08 = 17,879.04 : x
  2. Step 2: Convert to fraction form
    64,626/96,928.08 = 17,879.04/x
  3. Step 3: Cross multiply
    64,626x = 96,928.08 × 17,879.04
  4. Step 4: Simplify right side
    64,626x = 1,732,981,019.44
  5. Step 5: Solve for x
    x = 1,732,981,019.44/64,626
  6. Step 6: Final answer
    x = 26,815.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.