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Finding the Fourth Proportional to 4,755.27, 7,133.30 and 1,245.27

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Solution

The fourth proportional to 4,755.27, 7,133.30 and 1,245.27 is: 1,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.27 : 7,133.30 = 1,245.27 : x
  2. Step 2: Convert to fraction form
    4,755.27/7,133.30 = 1,245.27/x
  3. Step 3: Cross multiply
    4,755.27x = 7,133.30 × 1,245.27
  4. Step 4: Simplify right side
    4,755.27x = 8,882,884.49
  5. Step 5: Solve for x
    x = 8,882,884.49/4,755.27
  6. Step 6: Final answer
    x = 1,868.01

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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.