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Finding the Fourth Proportional to 15,728.69, 23,601.23 and 6,375.62

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Solution

The fourth proportional to 15,728.69, 23,601.23 and 6,375.62 is: 9,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.69 : 23,601.23 = 6,375.62 : x
  2. Step 2: Convert to fraction form
    15,728.69/23,601.23 = 6,375.62/x
  3. Step 3: Cross multiply
    15,728.69x = 23,601.23 × 6,375.62
  4. Step 4: Simplify right side
    15,728.69x = 150,472,548.95
  5. Step 5: Solve for x
    x = 150,472,548.95/15,728.69
  6. Step 6: Final answer
    x = 9,566.76

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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.