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Finding the Fourth Proportional to 5,891.32, 8,817.54 and 5,243.32

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Solution

The fourth proportional to 5,891.32, 8,817.54 and 5,243.32 is: 7,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.32 : 8,817.54 = 5,243.32 : x
  2. Step 2: Convert to fraction form
    5,891.32/8,817.54 = 5,243.32/x
  3. Step 3: Cross multiply
    5,891.32x = 8,817.54 × 5,243.32
  4. Step 4: Simplify right side
    5,891.32x = 46,233,183.83
  5. Step 5: Solve for x
    x = 46,233,183.83/5,891.32
  6. Step 6: Final answer
    x = 7,847.68

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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.