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Finding the Fourth Proportional to 11,894.45, 17,841.47 and 4,103.06

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Solution

The fourth proportional to 11,894.45, 17,841.47 and 4,103.06 is: 6,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.45 : 17,841.47 = 4,103.06 : x
  2. Step 2: Convert to fraction form
    11,894.45/17,841.47 = 4,103.06/x
  3. Step 3: Cross multiply
    11,894.45x = 17,841.47 × 4,103.06
  4. Step 4: Simplify right side
    11,894.45x = 73,204,512.18
  5. Step 5: Solve for x
    x = 73,204,512.18/11,894.45
  6. Step 6: Final answer
    x = 6,154.51

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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.