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Finding the Fourth Proportional to 4,694.64, 7,044.84 and 2,750.64

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Solution

The fourth proportional to 4,694.64, 7,044.84 and 2,750.64 is: 4,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.64 : 7,044.84 = 2,750.64 : x
  2. Step 2: Convert to fraction form
    4,694.64/7,044.84 = 2,750.64/x
  3. Step 3: Cross multiply
    4,694.64x = 7,044.84 × 2,750.64
  4. Step 4: Simplify right side
    4,694.64x = 19,377,818.70
  5. Step 5: Solve for x
    x = 19,377,818.70/4,694.64
  6. Step 6: Final answer
    x = 4,127.65

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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.