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Finding the Fourth Proportional to 8,909.59, 13,364.48 and 2,336.44

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Solution

The fourth proportional to 8,909.59, 13,364.48 and 2,336.44 is: 3,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.59 : 13,364.48 = 2,336.44 : x
  2. Step 2: Convert to fraction form
    8,909.59/13,364.48 = 2,336.44/x
  3. Step 3: Cross multiply
    8,909.59x = 13,364.48 × 2,336.44
  4. Step 4: Simplify right side
    8,909.59x = 31,225,238.83
  5. Step 5: Solve for x
    x = 31,225,238.83/8,909.59
  6. Step 6: Final answer
    x = 3,504.68

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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.