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Finding the Fourth Proportional to 8,741.88, 13,108.10 and 4,571.87

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Solution

The fourth proportional to 8,741.88, 13,108.10 and 4,571.87 is: 6,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.88 : 13,108.10 = 4,571.87 : x
  2. Step 2: Convert to fraction form
    8,741.88/13,108.10 = 4,571.87/x
  3. Step 3: Cross multiply
    8,741.88x = 13,108.10 × 4,571.87
  4. Step 4: Simplify right side
    8,741.88x = 59,928,440.75
  5. Step 5: Solve for x
    x = 59,928,440.75/8,741.88
  6. Step 6: Final answer
    x = 6,855.33

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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.