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Finding the Fourth Proportional to 19,697.73, 27,183.74 and 10,744.89

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Solution

The fourth proportional to 19,697.73, 27,183.74 and 10,744.89 is: 14,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.73 : 27,183.74 = 10,744.89 : x
  2. Step 2: Convert to fraction form
    19,697.73/27,183.74 = 10,744.89/x
  3. Step 3: Cross multiply
    19,697.73x = 27,183.74 × 10,744.89
  4. Step 4: Simplify right side
    19,697.73x = 292,086,242.36
  5. Step 5: Solve for x
    x = 292,086,242.36/19,697.73
  6. Step 6: Final answer
    x = 14,828.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.