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Finding the Fourth Proportional to 6,441.44, 8,889.08 and 3,608.92

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Solution

The fourth proportional to 6,441.44, 8,889.08 and 3,608.92 is: 4,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.44 : 8,889.08 = 3,608.92 : x
  2. Step 2: Convert to fraction form
    6,441.44/8,889.08 = 3,608.92/x
  3. Step 3: Cross multiply
    6,441.44x = 8,889.08 × 3,608.92
  4. Step 4: Simplify right side
    6,441.44x = 32,079,978.59
  5. Step 5: Solve for x
    x = 32,079,978.59/6,441.44
  6. Step 6: Final answer
    x = 4,980.25

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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.