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Finding the Fourth Proportional to 4,847.96, 7,273.26 and 1,728.30

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Solution

The fourth proportional to 4,847.96, 7,273.26 and 1,728.30 is: 2,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.96 : 7,273.26 = 1,728.30 : x
  2. Step 2: Convert to fraction form
    4,847.96/7,273.26 = 1,728.30/x
  3. Step 3: Cross multiply
    4,847.96x = 7,273.26 × 1,728.30
  4. Step 4: Simplify right side
    4,847.96x = 12,570,364.56
  5. Step 5: Solve for x
    x = 12,570,364.56/4,847.96
  6. Step 6: Final answer
    x = 2,592.92

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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.