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Finding the Fourth Proportional to 7,425.72, 10,249.02 and 4,444.20

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Solution

The fourth proportional to 7,425.72, 10,249.02 and 4,444.20 is: 6,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.72 : 10,249.02 = 4,444.20 : x
  2. Step 2: Convert to fraction form
    7,425.72/10,249.02 = 4,444.20/x
  3. Step 3: Cross multiply
    7,425.72x = 10,249.02 × 4,444.20
  4. Step 4: Simplify right side
    7,425.72x = 45,548,694.68
  5. Step 5: Solve for x
    x = 45,548,694.68/7,425.72
  6. Step 6: Final answer
    x = 6,133.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.