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Finding the Fourth Proportional to 6,337.34, 8,745.80 and 3,611.96

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Solution

The fourth proportional to 6,337.34, 8,745.80 and 3,611.96 is: 4,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337.34 : 8,745.80 = 3,611.96 : x
  2. Step 2: Convert to fraction form
    6,337.34/8,745.80 = 3,611.96/x
  3. Step 3: Cross multiply
    6,337.34x = 8,745.80 × 3,611.96
  4. Step 4: Simplify right side
    6,337.34x = 31,589,479.77
  5. Step 5: Solve for x
    x = 31,589,479.77/6,337.34
  6. Step 6: Final answer
    x = 4,984.66

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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.