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Finding the Fourth Proportional to 7,351.94, 11,029.94 and 2,910.72

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Solution

The fourth proportional to 7,351.94, 11,029.94 and 2,910.72 is: 4,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.94 : 11,029.94 = 2,910.72 : x
  2. Step 2: Convert to fraction form
    7,351.94/11,029.94 = 2,910.72/x
  3. Step 3: Cross multiply
    7,351.94x = 11,029.94 × 2,910.72
  4. Step 4: Simplify right side
    7,351.94x = 32,105,066.96
  5. Step 5: Solve for x
    x = 32,105,066.96/7,351.94
  6. Step 6: Final answer
    x = 4,366.88

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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.