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Finding the Fourth Proportional to 56,651.58, 84,979.30 and 17,208.62

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Solution

The fourth proportional to 56,651.58, 84,979.30 and 17,208.62 is: 25,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,651.58 : 84,979.30 = 17,208.62 : x
  2. Step 2: Convert to fraction form
    56,651.58/84,979.30 = 17,208.62/x
  3. Step 3: Cross multiply
    56,651.58x = 84,979.30 × 17,208.62
  4. Step 4: Simplify right side
    56,651.58x = 1,462,376,481.57
  5. Step 5: Solve for x
    x = 1,462,376,481.57/56,651.58
  6. Step 6: Final answer
    x = 25,813.52

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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.