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Finding the Fourth Proportional to 5,889.72, 8,832.73 and 1,728.69

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Solution

The fourth proportional to 5,889.72, 8,832.73 and 1,728.69 is: 2,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.72 : 8,832.73 = 1,728.69 : x
  2. Step 2: Convert to fraction form
    5,889.72/8,832.73 = 1,728.69/x
  3. Step 3: Cross multiply
    5,889.72x = 8,832.73 × 1,728.69
  4. Step 4: Simplify right side
    5,889.72x = 15,269,052.02
  5. Step 5: Solve for x
    x = 15,269,052.02/5,889.72
  6. Step 6: Final answer
    x = 2,592.49

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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.