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Finding the Fourth Proportional to 17,148.27, 23,668.29 and 11,169.27

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Solution

The fourth proportional to 17,148.27, 23,668.29 and 11,169.27 is: 15,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.27 : 23,668.29 = 11,169.27 : x
  2. Step 2: Convert to fraction form
    17,148.27/23,668.29 = 11,169.27/x
  3. Step 3: Cross multiply
    17,148.27x = 23,668.29 × 11,169.27
  4. Step 4: Simplify right side
    17,148.27x = 264,357,521.45
  5. Step 5: Solve for x
    x = 264,357,521.45/17,148.27
  6. Step 6: Final answer
    x = 15,415.99

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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.