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Finding the Fourth Proportional to 9,993.84, 14,997.24 and 4,453.44

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Solution

The fourth proportional to 9,993.84, 14,997.24 and 4,453.44 is: 6,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.84 : 14,997.24 = 4,453.44 : x
  2. Step 2: Convert to fraction form
    9,993.84/14,997.24 = 4,453.44/x
  3. Step 3: Cross multiply
    9,993.84x = 14,997.24 × 4,453.44
  4. Step 4: Simplify right side
    9,993.84x = 66,789,308.51
  5. Step 5: Solve for x
    x = 66,789,308.51/9,993.84
  6. Step 6: Final answer
    x = 6,683.05

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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.