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Finding the Fourth Proportional to 13,384.44, 20,086.38 and 7,552.44

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Solution

The fourth proportional to 13,384.44, 20,086.38 and 7,552.44 is: 11,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.44 : 20,086.38 = 7,552.44 : x
  2. Step 2: Convert to fraction form
    13,384.44/20,086.38 = 7,552.44/x
  3. Step 3: Cross multiply
    13,384.44x = 20,086.38 × 7,552.44
  4. Step 4: Simplify right side
    13,384.44x = 151,701,179.77
  5. Step 5: Solve for x
    x = 151,701,179.77/13,384.44
  6. Step 6: Final answer
    x = 11,334.14

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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.