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Finding the Fourth Proportional to 11,342.16, 17,021.01 and 3,946.62

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Solution

The fourth proportional to 11,342.16, 17,021.01 and 3,946.62 is: 5,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.16 : 17,021.01 = 3,946.62 : x
  2. Step 2: Convert to fraction form
    11,342.16/17,021.01 = 3,946.62/x
  3. Step 3: Cross multiply
    11,342.16x = 17,021.01 × 3,946.62
  4. Step 4: Simplify right side
    11,342.16x = 67,175,458.49
  5. Step 5: Solve for x
    x = 67,175,458.49/11,342.16
  6. Step 6: Final answer
    x = 5,922.63

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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.