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Finding the Fourth Proportional to 64,590.87, 96,891.93 and 17,843.79

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Solution

The fourth proportional to 64,590.87, 96,891.93 and 17,843.79 is: 26,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,590.87 : 96,891.93 = 17,843.79 : x
  2. Step 2: Convert to fraction form
    64,590.87/96,891.93 = 17,843.79/x
  3. Step 3: Cross multiply
    64,590.87x = 96,891.93 × 17,843.79
  4. Step 4: Simplify right side
    64,590.87x = 1,728,919,251.61
  5. Step 5: Solve for x
    x = 1,728,919,251.61/64,590.87
  6. Step 6: Final answer
    x = 26,767.24

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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.