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Finding the Fourth Proportional to 7,329.84, 10,993.22 and 2,586.64

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Solution

The fourth proportional to 7,329.84, 10,993.22 and 2,586.64 is: 3,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.84 : 10,993.22 = 2,586.64 : x
  2. Step 2: Convert to fraction form
    7,329.84/10,993.22 = 2,586.64/x
  3. Step 3: Cross multiply
    7,329.84x = 10,993.22 × 2,586.64
  4. Step 4: Simplify right side
    7,329.84x = 28,435,502.58
  5. Step 5: Solve for x
    x = 28,435,502.58/7,329.84
  6. Step 6: Final answer
    x = 3,879.42

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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.