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Finding the Fourth Proportional to 17,145.58, 25,728.08 and 6,764.62

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Solution

The fourth proportional to 17,145.58, 25,728.08 and 6,764.62 is: 10,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.58 : 25,728.08 = 6,764.62 : x
  2. Step 2: Convert to fraction form
    17,145.58/25,728.08 = 6,764.62/x
  3. Step 3: Cross multiply
    17,145.58x = 25,728.08 × 6,764.62
  4. Step 4: Simplify right side
    17,145.58x = 174,040,684.53
  5. Step 5: Solve for x
    x = 174,040,684.53/17,145.58
  6. Step 6: Final answer
    x = 10,150.76

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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.