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Finding the Fourth Proportional to 8,905.26, 13,367.11 and 6,567.87

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Solution

The fourth proportional to 8,905.26, 13,367.11 and 6,567.87 is: 9,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.26 : 13,367.11 = 6,567.87 : x
  2. Step 2: Convert to fraction form
    8,905.26/13,367.11 = 6,567.87/x
  3. Step 3: Cross multiply
    8,905.26x = 13,367.11 × 6,567.87
  4. Step 4: Simplify right side
    8,905.26x = 87,793,440.76
  5. Step 5: Solve for x
    x = 87,793,440.76/8,905.26
  6. Step 6: Final answer
    x = 9,858.60

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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.