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Finding the Fourth Proportional to 4,786.02, 6,604 and 2,690.02

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Solution

The fourth proportional to 4,786.02, 6,604 and 2,690.02 is: 3,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.02 : 6,604 = 2,690.02 : x
  2. Step 2: Convert to fraction form
    4,786.02/6,604 = 2,690.02/x
  3. Step 3: Cross multiply
    4,786.02x = 6,604 × 2,690.02
  4. Step 4: Simplify right side
    4,786.02x = 17,764,892.08
  5. Step 5: Solve for x
    x = 17,764,892.08/4,786.02
  6. Step 6: Final answer
    x = 3,711.83

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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.