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Finding the Fourth Proportional to 29,415.69, 44,123.67 and 7,229.07

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Solution

The fourth proportional to 29,415.69, 44,123.67 and 7,229.07 is: 10,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.69 : 44,123.67 = 7,229.07 : x
  2. Step 2: Convert to fraction form
    29,415.69/44,123.67 = 7,229.07/x
  3. Step 3: Cross multiply
    29,415.69x = 44,123.67 × 7,229.07
  4. Step 4: Simplify right side
    29,415.69x = 318,973,099.09
  5. Step 5: Solve for x
    x = 318,973,099.09/29,415.69
  6. Step 6: Final answer
    x = 10,843.64

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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.