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Finding the Fourth Proportional to 29,793.32, 44,679.95 and 12,019.39

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Solution

The fourth proportional to 29,793.32, 44,679.95 and 12,019.39 is: 18,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,793.32 : 44,679.95 = 12,019.39 : x
  2. Step 2: Convert to fraction form
    29,793.32/44,679.95 = 12,019.39/x
  3. Step 3: Cross multiply
    29,793.32x = 44,679.95 × 12,019.39
  4. Step 4: Simplify right side
    29,793.32x = 537,025,685.12
  5. Step 5: Solve for x
    x = 537,025,685.12/29,793.32
  6. Step 6: Final answer
    x = 18,025.04

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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.