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Finding the Fourth Proportional to 7,329.88, 10,995.44 and 2,399.40

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Solution

The fourth proportional to 7,329.88, 10,995.44 and 2,399.40 is: 3,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.88 : 10,995.44 = 2,399.40 : x
  2. Step 2: Convert to fraction form
    7,329.88/10,995.44 = 2,399.40/x
  3. Step 3: Cross multiply
    7,329.88x = 10,995.44 × 2,399.40
  4. Step 4: Simplify right side
    7,329.88x = 26,382,458.74
  5. Step 5: Solve for x
    x = 26,382,458.74/7,329.88
  6. Step 6: Final answer
    x = 3,599.30

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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.