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Finding the Fourth Proportional to 29,629.98, 44,443.53 and 7,442.85

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Solution

The fourth proportional to 29,629.98, 44,443.53 and 7,442.85 is: 11,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,629.98 : 44,443.53 = 7,442.85 : x
  2. Step 2: Convert to fraction form
    29,629.98/44,443.53 = 7,442.85/x
  3. Step 3: Cross multiply
    29,629.98x = 44,443.53 × 7,442.85
  4. Step 4: Simplify right side
    29,629.98x = 330,786,527.26
  5. Step 5: Solve for x
    x = 330,786,527.26/29,629.98
  6. Step 6: Final answer
    x = 11,163.91

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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.