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Finding the Fourth Proportional to 3,066.38, 4,599.59 and 757.88

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Solution

The fourth proportional to 3,066.38, 4,599.59 and 757.88 is: 1,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.38 : 4,599.59 = 757.88 : x
  2. Step 2: Convert to fraction form
    3,066.38/4,599.59 = 757.88/x
  3. Step 3: Cross multiply
    3,066.38x = 4,599.59 × 757.88
  4. Step 4: Simplify right side
    3,066.38x = 3,485,937.27
  5. Step 5: Solve for x
    x = 3,485,937.27/3,066.38
  6. Step 6: Final answer
    x = 1,136.82

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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.