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Finding the Fourth Proportional to 29,441.82, 44,156.09 and 8,381.39

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Solution

The fourth proportional to 29,441.82, 44,156.09 and 8,381.39 is: 12,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,441.82 : 44,156.09 = 8,381.39 : x
  2. Step 2: Convert to fraction form
    29,441.82/44,156.09 = 8,381.39/x
  3. Step 3: Cross multiply
    29,441.82x = 44,156.09 × 8,381.39
  4. Step 4: Simplify right side
    29,441.82x = 370,089,411.17
  5. Step 5: Solve for x
    x = 370,089,411.17/29,441.82
  6. Step 6: Final answer
    x = 12,570.19

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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.