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Finding the Fourth Proportional to 11,474.66, 17,212.48 and 3,155.48

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Solution

The fourth proportional to 11,474.66, 17,212.48 and 3,155.48 is: 4,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.66 : 17,212.48 = 3,155.48 : x
  2. Step 2: Convert to fraction form
    11,474.66/17,212.48 = 3,155.48/x
  3. Step 3: Cross multiply
    11,474.66x = 17,212.48 × 3,155.48
  4. Step 4: Simplify right side
    11,474.66x = 54,313,636.39
  5. Step 5: Solve for x
    x = 54,313,636.39/11,474.66
  6. Step 6: Final answer
    x = 4,733.35

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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.