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Finding the Fourth Proportional to 17,161.27, 23,658.27 and 12,913.02

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Solution

The fourth proportional to 17,161.27, 23,658.27 and 12,913.02 is: 17,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.27 : 23,658.27 = 12,913.02 : x
  2. Step 2: Convert to fraction form
    17,161.27/23,658.27 = 12,913.02/x
  3. Step 3: Cross multiply
    17,161.27x = 23,658.27 × 12,913.02
  4. Step 4: Simplify right side
    17,161.27x = 305,499,713.68
  5. Step 5: Solve for x
    x = 305,499,713.68/17,161.27
  6. Step 6: Final answer
    x = 17,801.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.