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Finding the Fourth Proportional to 17,393.68, 24,169.79 and 17,213.05

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Solution

The fourth proportional to 17,393.68, 24,169.79 and 17,213.05 is: 23,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.68 : 24,169.79 = 17,213.05 : x
  2. Step 2: Convert to fraction form
    17,393.68/24,169.79 = 17,213.05/x
  3. Step 3: Cross multiply
    17,393.68x = 24,169.79 × 17,213.05
  4. Step 4: Simplify right side
    17,393.68x = 416,035,803.76
  5. Step 5: Solve for x
    x = 416,035,803.76/17,393.68
  6. Step 6: Final answer
    x = 23,918.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.