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Finding the Fourth Proportional to 15,891.85, 23,839.17 and 5,896.71

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Solution

The fourth proportional to 15,891.85, 23,839.17 and 5,896.71 is: 8,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.85 : 23,839.17 = 5,896.71 : x
  2. Step 2: Convert to fraction form
    15,891.85/23,839.17 = 5,896.71/x
  3. Step 3: Cross multiply
    15,891.85x = 23,839.17 × 5,896.71
  4. Step 4: Simplify right side
    15,891.85x = 140,572,650.02
  5. Step 5: Solve for x
    x = 140,572,650.02/15,891.85
  6. Step 6: Final answer
    x = 8,845.58

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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.