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Finding the Fourth Proportional to 29,493.21, 44,232.99 and 8,432.71

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Solution

The fourth proportional to 29,493.21, 44,232.99 and 8,432.71 is: 12,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.21 : 44,232.99 = 8,432.71 : x
  2. Step 2: Convert to fraction form
    29,493.21/44,232.99 = 8,432.71/x
  3. Step 3: Cross multiply
    29,493.21x = 44,232.99 × 8,432.71
  4. Step 4: Simplify right side
    29,493.21x = 373,003,834.90
  5. Step 5: Solve for x
    x = 373,003,834.90/29,493.21
  6. Step 6: Final answer
    x = 12,647.11

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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.