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Finding the Fourth Proportional to 9,253.80, 13,879.16 and 3,329.49

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Solution

The fourth proportional to 9,253.80, 13,879.16 and 3,329.49 is: 4,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.80 : 13,879.16 = 3,329.49 : x
  2. Step 2: Convert to fraction form
    9,253.80/13,879.16 = 3,329.49/x
  3. Step 3: Cross multiply
    9,253.80x = 13,879.16 × 3,329.49
  4. Step 4: Simplify right side
    9,253.80x = 46,210,524.43
  5. Step 5: Solve for x
    x = 46,210,524.43/9,253.80
  6. Step 6: Final answer
    x = 4,993.68

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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.