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Finding the Fourth Proportional to 17,751.81, 24,489.74 and 11,694.23

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Solution

The fourth proportional to 17,751.81, 24,489.74 and 11,694.23 is: 16,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.81 : 24,489.74 = 11,694.23 : x
  2. Step 2: Convert to fraction form
    17,751.81/24,489.74 = 11,694.23/x
  3. Step 3: Cross multiply
    17,751.81x = 24,489.74 × 11,694.23
  4. Step 4: Simplify right side
    17,751.81x = 286,388,471.28
  5. Step 5: Solve for x
    x = 286,388,471.28/17,751.81
  6. Step 6: Final answer
    x = 16,132.92

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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.