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Finding the Fourth Proportional to 29,215.89, 43,780.10 and 27,028.89

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Solution

The fourth proportional to 29,215.89, 43,780.10 and 27,028.89 is: 40,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.89 : 43,780.10 = 27,028.89 : x
  2. Step 2: Convert to fraction form
    29,215.89/43,780.10 = 27,028.89/x
  3. Step 3: Cross multiply
    29,215.89x = 43,780.10 × 27,028.89
  4. Step 4: Simplify right side
    29,215.89x = 1,183,327,371.94
  5. Step 5: Solve for x
    x = 1,183,327,371.94/29,215.89
  6. Step 6: Final answer
    x = 40,502.87

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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.