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Finding the Fourth Proportional to 4,986.88, 7,481.60 and 1,524.12

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Solution

The fourth proportional to 4,986.88, 7,481.60 and 1,524.12 is: 2,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.88 : 7,481.60 = 1,524.12 : x
  2. Step 2: Convert to fraction form
    4,986.88/7,481.60 = 1,524.12/x
  3. Step 3: Cross multiply
    4,986.88x = 7,481.60 × 1,524.12
  4. Step 4: Simplify right side
    4,986.88x = 11,402,856.19
  5. Step 5: Solve for x
    x = 11,402,856.19/4,986.88
  6. Step 6: Final answer
    x = 2,286.57

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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.