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Finding the Fourth Proportional to 8,981.84, 13,474.26 and 4,051.37

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Solution

The fourth proportional to 8,981.84, 13,474.26 and 4,051.37 is: 6,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.84 : 13,474.26 = 4,051.37 : x
  2. Step 2: Convert to fraction form
    8,981.84/13,474.26 = 4,051.37/x
  3. Step 3: Cross multiply
    8,981.84x = 13,474.26 × 4,051.37
  4. Step 4: Simplify right side
    8,981.84x = 54,589,212.74
  5. Step 5: Solve for x
    x = 54,589,212.74/8,981.84
  6. Step 6: Final answer
    x = 6,077.73

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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.