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Finding the Fourth Proportional to 4,991.66, 7,490.96 and 3,232.32

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Solution

The fourth proportional to 4,991.66, 7,490.96 and 3,232.32 is: 4,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.66 : 7,490.96 = 3,232.32 : x
  2. Step 2: Convert to fraction form
    4,991.66/7,490.96 = 3,232.32/x
  3. Step 3: Cross multiply
    4,991.66x = 7,490.96 × 3,232.32
  4. Step 4: Simplify right side
    4,991.66x = 24,213,179.83
  5. Step 5: Solve for x
    x = 24,213,179.83/4,991.66
  6. Step 6: Final answer
    x = 4,850.73

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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.