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Finding the Fourth Proportional to 2,394.62, 3,591.93 and 751.30

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Solution

The fourth proportional to 2,394.62, 3,591.93 and 751.30 is: 1,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.62 : 3,591.93 = 751.30 : x
  2. Step 2: Convert to fraction form
    2,394.62/3,591.93 = 751.30/x
  3. Step 3: Cross multiply
    2,394.62x = 3,591.93 × 751.30
  4. Step 4: Simplify right side
    2,394.62x = 2,698,610.85
  5. Step 5: Solve for x
    x = 2,698,610.85/2,394.62
  6. Step 6: Final answer
    x = 1,126.95

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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.