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Finding the Fourth Proportional to 8,893.17, 13,329.63 and 2,968.67

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Solution

The fourth proportional to 8,893.17, 13,329.63 and 2,968.67 is: 4,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.17 : 13,329.63 = 2,968.67 : x
  2. Step 2: Convert to fraction form
    8,893.17/13,329.63 = 2,968.67/x
  3. Step 3: Cross multiply
    8,893.17x = 13,329.63 × 2,968.67
  4. Step 4: Simplify right side
    8,893.17x = 39,571,272.69
  5. Step 5: Solve for x
    x = 39,571,272.69/8,893.17
  6. Step 6: Final answer
    x = 4,449.63

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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.