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Finding the Fourth Proportional to 29,629.90, 44,444.90 and 12,099.73

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Solution

The fourth proportional to 29,629.90, 44,444.90 and 12,099.73 is: 18,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,629.90 : 44,444.90 = 12,099.73 : x
  2. Step 2: Convert to fraction form
    29,629.90/44,444.90 = 12,099.73/x
  3. Step 3: Cross multiply
    29,629.90x = 44,444.90 × 12,099.73
  4. Step 4: Simplify right side
    29,629.90x = 537,771,284.93
  5. Step 5: Solve for x
    x = 537,771,284.93/29,629.90
  6. Step 6: Final answer
    x = 18,149.61

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1.5x scale

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.