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Finding the Fourth Proportional to 11,751.56, 17,611.68 and 6,203.60

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Solution

The fourth proportional to 11,751.56, 17,611.68 and 6,203.60 is: 9,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.56 : 17,611.68 = 6,203.60 : x
  2. Step 2: Convert to fraction form
    11,751.56/17,611.68 = 6,203.60/x
  3. Step 3: Cross multiply
    11,751.56x = 17,611.68 × 6,203.60
  4. Step 4: Simplify right side
    11,751.56x = 109,255,818.05
  5. Step 5: Solve for x
    x = 109,255,818.05/11,751.56
  6. Step 6: Final answer
    x = 9,297.13

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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.