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Finding the Fourth Proportional to 7,914.98, 11,872.44 and 3,233.98

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Solution

The fourth proportional to 7,914.98, 11,872.44 and 3,233.98 is: 4,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.98 : 11,872.44 = 3,233.98 : x
  2. Step 2: Convert to fraction form
    7,914.98/11,872.44 = 3,233.98/x
  3. Step 3: Cross multiply
    7,914.98x = 11,872.44 × 3,233.98
  4. Step 4: Simplify right side
    7,914.98x = 38,395,233.51
  5. Step 5: Solve for x
    x = 38,395,233.51/7,914.98
  6. Step 6: Final answer
    x = 4,850.96

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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.