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Finding the Fourth Proportional to 12,474.03, 17,213.74 and 7,435.66

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Solution

The fourth proportional to 12,474.03, 17,213.74 and 7,435.66 is: 10,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.03 : 17,213.74 = 7,435.66 : x
  2. Step 2: Convert to fraction form
    12,474.03/17,213.74 = 7,435.66/x
  3. Step 3: Cross multiply
    12,474.03x = 17,213.74 × 7,435.66
  4. Step 4: Simplify right side
    12,474.03x = 127,995,517.97
  5. Step 5: Solve for x
    x = 127,995,517.97/12,474.03
  6. Step 6: Final answer
    x = 10,260.96

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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.