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Finding the Fourth Proportional to 17,694.72, 24,405.03 and 12,913.97

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Solution

The fourth proportional to 17,694.72, 24,405.03 and 12,913.97 is: 17,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,694.72 : 24,405.03 = 12,913.97 : x
  2. Step 2: Convert to fraction form
    17,694.72/24,405.03 = 12,913.97/x
  3. Step 3: Cross multiply
    17,694.72x = 24,405.03 × 12,913.97
  4. Step 4: Simplify right side
    17,694.72x = 315,165,703.24
  5. Step 5: Solve for x
    x = 315,165,703.24/17,694.72
  6. Step 6: Final answer
    x = 17,811.29

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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.