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Finding the Fourth Proportional to 19,697.47, 29,546.24 and 5,846.47

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Solution

The fourth proportional to 19,697.47, 29,546.24 and 5,846.47 is: 8,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.47 : 29,546.24 = 5,846.47 : x
  2. Step 2: Convert to fraction form
    19,697.47/29,546.24 = 5,846.47/x
  3. Step 3: Cross multiply
    19,697.47x = 29,546.24 × 5,846.47
  4. Step 4: Simplify right side
    19,697.47x = 172,741,102.67
  5. Step 5: Solve for x
    x = 172,741,102.67/19,697.47
  6. Step 6: Final answer
    x = 8,769.71

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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.