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Finding the Fourth Proportional to 11,751.53, 17,627.24 and 2,986.44

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Solution

The fourth proportional to 11,751.53, 17,627.24 and 2,986.44 is: 4,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.53 : 17,627.24 = 2,986.44 : x
  2. Step 2: Convert to fraction form
    11,751.53/17,627.24 = 2,986.44/x
  3. Step 3: Cross multiply
    11,751.53x = 17,627.24 × 2,986.44
  4. Step 4: Simplify right side
    11,751.53x = 52,642,679.69
  5. Step 5: Solve for x
    x = 52,642,679.69/11,751.53
  6. Step 6: Final answer
    x = 4,479.65

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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.