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Finding the Fourth Proportional to 3,955.50, 5,455.62 and 3,329.37

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Solution

The fourth proportional to 3,955.50, 5,455.62 and 3,329.37 is: 4,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.50 : 5,455.62 = 3,329.37 : x
  2. Step 2: Convert to fraction form
    3,955.50/5,455.62 = 3,329.37/x
  3. Step 3: Cross multiply
    3,955.50x = 5,455.62 × 3,329.37
  4. Step 4: Simplify right side
    3,955.50x = 18,163,777.56
  5. Step 5: Solve for x
    x = 18,163,777.56/3,955.50
  6. Step 6: Final answer
    x = 4,592.03

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1.5x scale

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.