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Finding the Fourth Proportional to 27,351.70, 41,028.90 and 14,229.70

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Solution

The fourth proportional to 27,351.70, 41,028.90 and 14,229.70 is: 21,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.70 : 41,028.90 = 14,229.70 : x
  2. Step 2: Convert to fraction form
    27,351.70/41,028.90 = 14,229.70/x
  3. Step 3: Cross multiply
    27,351.70x = 41,028.90 × 14,229.70
  4. Step 4: Simplify right side
    27,351.70x = 583,828,938.33
  5. Step 5: Solve for x
    x = 583,828,938.33/27,351.70
  6. Step 6: Final answer
    x = 21,345.25

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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.