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Finding the Fourth Proportional to 8,916.77, 13,365.12 and 3,366.35

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Solution

The fourth proportional to 8,916.77, 13,365.12 and 3,366.35 is: 5,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.77 : 13,365.12 = 3,366.35 : x
  2. Step 2: Convert to fraction form
    8,916.77/13,365.12 = 3,366.35/x
  3. Step 3: Cross multiply
    8,916.77x = 13,365.12 × 3,366.35
  4. Step 4: Simplify right side
    8,916.77x = 44,991,604.89
  5. Step 5: Solve for x
    x = 44,991,604.89/8,916.77
  6. Step 6: Final answer
    x = 5,045.73

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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.