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Finding the Fourth Proportional to 17,942.98, 26,905.42 and 10,448.96

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Solution

The fourth proportional to 17,942.98, 26,905.42 and 10,448.96 is: 15,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.98 : 26,905.42 = 10,448.96 : x
  2. Step 2: Convert to fraction form
    17,942.98/26,905.42 = 10,448.96/x
  3. Step 3: Cross multiply
    17,942.98x = 26,905.42 × 10,448.96
  4. Step 4: Simplify right side
    17,942.98x = 281,133,552.79
  5. Step 5: Solve for x
    x = 281,133,552.79/17,942.98
  6. Step 6: Final answer
    x = 15,668.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.