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Finding the Fourth Proportional to 5,335.88, 8,003.82 and 4,421.96

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Solution

The fourth proportional to 5,335.88, 8,003.82 and 4,421.96 is: 6,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.88 : 8,003.82 = 4,421.96 : x
  2. Step 2: Convert to fraction form
    5,335.88/8,003.82 = 4,421.96/x
  3. Step 3: Cross multiply
    5,335.88x = 8,003.82 × 4,421.96
  4. Step 4: Simplify right side
    5,335.88x = 35,392,571.89
  5. Step 5: Solve for x
    x = 35,392,571.89/5,335.88
  6. Step 6: Final answer
    x = 6,632.94

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Similar ratio
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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.