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Finding the Fourth Proportional to 29,028.71, 43,549.22 and 9,321.11

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Solution

The fourth proportional to 29,028.71, 43,549.22 and 9,321.11 is: 13,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,028.71 : 43,549.22 = 9,321.11 : x
  2. Step 2: Convert to fraction form
    29,028.71/43,549.22 = 9,321.11/x
  3. Step 3: Cross multiply
    29,028.71x = 43,549.22 × 9,321.11
  4. Step 4: Simplify right side
    29,028.71x = 405,926,805.68
  5. Step 5: Solve for x
    x = 405,926,805.68/29,028.71
  6. Step 6: Final answer
    x = 13,983.63

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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.