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Finding the Fourth Proportional to 4,986.87, 7,480.29 and 1,524.12

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Solution

The fourth proportional to 4,986.87, 7,480.29 and 1,524.12 is: 2,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.87 : 7,480.29 = 1,524.12 : x
  2. Step 2: Convert to fraction form
    4,986.87/7,480.29 = 1,524.12/x
  3. Step 3: Cross multiply
    4,986.87x = 7,480.29 × 1,524.12
  4. Step 4: Simplify right side
    4,986.87x = 11,400,859.59
  5. Step 5: Solve for x
    x = 11,400,859.59/4,986.87
  6. Step 6: Final answer
    x = 2,286.18

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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.