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Finding the Fourth Proportional to 11,751.52, 17,626.56 and 4,825.84

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Solution

The fourth proportional to 11,751.52, 17,626.56 and 4,825.84 is: 7,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.52 : 17,626.56 = 4,825.84 : x
  2. Step 2: Convert to fraction form
    11,751.52/17,626.56 = 4,825.84/x
  3. Step 3: Cross multiply
    11,751.52x = 17,626.56 × 4,825.84
  4. Step 4: Simplify right side
    11,751.52x = 85,062,958.31
  5. Step 5: Solve for x
    x = 85,062,958.31/11,751.52
  6. Step 6: Final answer
    x = 7,238.46

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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.