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Finding the Fourth Proportional to 29,099.72, 43,649.94 and 9,378.38

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Solution

The fourth proportional to 29,099.72, 43,649.94 and 9,378.38 is: 14,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,099.72 : 43,649.94 = 9,378.38 : x
  2. Step 2: Convert to fraction form
    29,099.72/43,649.94 = 9,378.38/x
  3. Step 3: Cross multiply
    29,099.72x = 43,649.94 × 9,378.38
  4. Step 4: Simplify right side
    29,099.72x = 409,365,724.30
  5. Step 5: Solve for x
    x = 409,365,724.30/29,099.72
  6. Step 6: Final answer
    x = 14,067.69

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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.