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Finding the Fourth Proportional to 8,916.35, 13,367.22 and 3,366.54

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Solution

The fourth proportional to 8,916.35, 13,367.22 and 3,366.54 is: 5,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.35 : 13,367.22 = 3,366.54 : x
  2. Step 2: Convert to fraction form
    8,916.35/13,367.22 = 3,366.54/x
  3. Step 3: Cross multiply
    8,916.35x = 13,367.22 × 3,366.54
  4. Step 4: Simplify right side
    8,916.35x = 45,001,280.82
  5. Step 5: Solve for x
    x = 45,001,280.82/8,916.35
  6. Step 6: Final answer
    x = 5,047.05

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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.