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Finding the Fourth Proportional to 19,229.98, 28,844.98 and 7,546.54

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Solution

The fourth proportional to 19,229.98, 28,844.98 and 7,546.54 is: 11,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.98 : 28,844.98 = 7,546.54 : x
  2. Step 2: Convert to fraction form
    19,229.98/28,844.98 = 7,546.54/x
  3. Step 3: Cross multiply
    19,229.98x = 28,844.98 × 7,546.54
  4. Step 4: Simplify right side
    19,229.98x = 217,679,795.37
  5. Step 5: Solve for x
    x = 217,679,795.37/19,229.98
  6. Step 6: Final answer
    x = 11,319.81

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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.