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Finding the Fourth Proportional to 6,505.14, 8,972.24 and 4,236.98

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Solution

The fourth proportional to 6,505.14, 8,972.24 and 4,236.98 is: 5,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.14 : 8,972.24 = 4,236.98 : x
  2. Step 2: Convert to fraction form
    6,505.14/8,972.24 = 4,236.98/x
  3. Step 3: Cross multiply
    6,505.14x = 8,972.24 × 4,236.98
  4. Step 4: Simplify right side
    6,505.14x = 38,015,201.44
  5. Step 5: Solve for x
    x = 38,015,201.44/6,505.14
  6. Step 6: Final answer
    x = 5,843.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.