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Finding the Fourth Proportional to 3,759.57, 5,635.95 and 1,783.95

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Solution

The fourth proportional to 3,759.57, 5,635.95 and 1,783.95 is: 2,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.57 : 5,635.95 = 1,783.95 : x
  2. Step 2: Convert to fraction form
    3,759.57/5,635.95 = 1,783.95/x
  3. Step 3: Cross multiply
    3,759.57x = 5,635.95 × 1,783.95
  4. Step 4: Simplify right side
    3,759.57x = 10,054,253.00
  5. Step 5: Solve for x
    x = 10,054,253.00/3,759.57
  6. Step 6: Final answer
    x = 2,674.31

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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.