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Finding the Fourth Proportional to 9,329.25, 13,993.89 and 3,173.25

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Solution

The fourth proportional to 9,329.25, 13,993.89 and 3,173.25 is: 4,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.25 : 13,993.89 = 3,173.25 : x
  2. Step 2: Convert to fraction form
    9,329.25/13,993.89 = 3,173.25/x
  3. Step 3: Cross multiply
    9,329.25x = 13,993.89 × 3,173.25
  4. Step 4: Simplify right side
    9,329.25x = 44,406,111.44
  5. Step 5: Solve for x
    x = 44,406,111.44/9,329.25
  6. Step 6: Final answer
    x = 4,759.88

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1.5x scale

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.