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Finding the Fourth Proportional to 17,167.87, 25,764.99 and 7,683.13

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Solution

The fourth proportional to 17,167.87, 25,764.99 and 7,683.13 is: 11,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,167.87 : 25,764.99 = 7,683.13 : x
  2. Step 2: Convert to fraction form
    17,167.87/25,764.99 = 7,683.13/x
  3. Step 3: Cross multiply
    17,167.87x = 25,764.99 × 7,683.13
  4. Step 4: Simplify right side
    17,167.87x = 197,955,698.55
  5. Step 5: Solve for x
    x = 197,955,698.55/17,167.87
  6. Step 6: Final answer
    x = 11,530.59

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1.5x scale

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.