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Finding the Fourth Proportional to 13,674.22, 20,496.93 and 7,093.42

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Solution

The fourth proportional to 13,674.22, 20,496.93 and 7,093.42 is: 10,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.22 : 20,496.93 = 7,093.42 : x
  2. Step 2: Convert to fraction form
    13,674.22/20,496.93 = 7,093.42/x
  3. Step 3: Cross multiply
    13,674.22x = 20,496.93 × 7,093.42
  4. Step 4: Simplify right side
    13,674.22x = 145,393,333.20
  5. Step 5: Solve for x
    x = 145,393,333.20/13,674.22
  6. Step 6: Final answer
    x = 10,632.66

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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.