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Finding the Fourth Proportional to 2,394.57, 3,591.99 and 933.60

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Solution

The fourth proportional to 2,394.57, 3,591.99 and 933.60 is: 1,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.57 : 3,591.99 = 933.60 : x
  2. Step 2: Convert to fraction form
    2,394.57/3,591.99 = 933.60/x
  3. Step 3: Cross multiply
    2,394.57x = 3,591.99 × 933.60
  4. Step 4: Simplify right side
    2,394.57x = 3,353,481.86
  5. Step 5: Solve for x
    x = 3,353,481.86/2,394.57
  6. Step 6: Final answer
    x = 1,400.45

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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.