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Finding the Fourth Proportional to 64,396.80, 96,584.27 and 17,012.42

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Solution

The fourth proportional to 64,396.80, 96,584.27 and 17,012.42 is: 25,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,396.80 : 96,584.27 = 17,012.42 : x
  2. Step 2: Convert to fraction form
    64,396.80/96,584.27 = 17,012.42/x
  3. Step 3: Cross multiply
    64,396.80x = 96,584.27 × 17,012.42
  4. Step 4: Simplify right side
    64,396.80x = 1,643,131,598.65
  5. Step 5: Solve for x
    x = 1,643,131,598.65/64,396.80
  6. Step 6: Final answer
    x = 25,515.73

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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.