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Finding the Fourth Proportional to 8,913.63, 13,360.97 and 3,364.62

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Solution

The fourth proportional to 8,913.63, 13,360.97 and 3,364.62 is: 5,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.63 : 13,360.97 = 3,364.62 : x
  2. Step 2: Convert to fraction form
    8,913.63/13,360.97 = 3,364.62/x
  3. Step 3: Cross multiply
    8,913.63x = 13,360.97 × 3,364.62
  4. Step 4: Simplify right side
    8,913.63x = 44,954,586.88
  5. Step 5: Solve for x
    x = 44,954,586.88/8,913.63
  6. Step 6: Final answer
    x = 5,043.35

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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.