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Finding the Fourth Proportional to 8,336.58, 12,496.56 and 3,898.86

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Solution

The fourth proportional to 8,336.58, 12,496.56 and 3,898.86 is: 5,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.58 : 12,496.56 = 3,898.86 : x
  2. Step 2: Convert to fraction form
    8,336.58/12,496.56 = 3,898.86/x
  3. Step 3: Cross multiply
    8,336.58x = 12,496.56 × 3,898.86
  4. Step 4: Simplify right side
    8,336.58x = 48,722,337.92
  5. Step 5: Solve for x
    x = 48,722,337.92/8,336.58
  6. Step 6: Final answer
    x = 5,844.40

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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.