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Finding the Fourth Proportional to 8,893.29, 13,340.69 and 2,652.90

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Solution

The fourth proportional to 8,893.29, 13,340.69 and 2,652.90 is: 3,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.29 : 13,340.69 = 2,652.90 : x
  2. Step 2: Convert to fraction form
    8,893.29/13,340.69 = 2,652.90/x
  3. Step 3: Cross multiply
    8,893.29x = 13,340.69 × 2,652.90
  4. Step 4: Simplify right side
    8,893.29x = 35,391,436.53
  5. Step 5: Solve for x
    x = 35,391,436.53/8,893.29
  6. Step 6: Final answer
    x = 3,979.57

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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.