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Finding the Fourth Proportional to 17,357.70, 23,942.24 and 12,260.70

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Solution

The fourth proportional to 17,357.70, 23,942.24 and 12,260.70 is: 16,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357.70 : 23,942.24 = 12,260.70 : x
  2. Step 2: Convert to fraction form
    17,357.70/23,942.24 = 12,260.70/x
  3. Step 3: Cross multiply
    17,357.70x = 23,942.24 × 12,260.70
  4. Step 4: Simplify right side
    17,357.70x = 293,548,621.97
  5. Step 5: Solve for x
    x = 293,548,621.97/17,357.70
  6. Step 6: Final answer
    x = 16,911.72

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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.