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Finding the Fourth Proportional to 9,137.15, 13,706.13 and 2,563.19

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Solution

The fourth proportional to 9,137.15, 13,706.13 and 2,563.19 is: 3,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.15 : 13,706.13 = 2,563.19 : x
  2. Step 2: Convert to fraction form
    9,137.15/13,706.13 = 2,563.19/x
  3. Step 3: Cross multiply
    9,137.15x = 13,706.13 × 2,563.19
  4. Step 4: Simplify right side
    9,137.15x = 35,131,405.19
  5. Step 5: Solve for x
    x = 35,131,405.19/9,137.15
  6. Step 6: Final answer
    x = 3,844.90

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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.