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Finding the Fourth Proportional to 3,329.33, 4,993.99 and 1,868.45

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Solution

The fourth proportional to 3,329.33, 4,993.99 and 1,868.45 is: 2,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.33 : 4,993.99 = 1,868.45 : x
  2. Step 2: Convert to fraction form
    3,329.33/4,993.99 = 1,868.45/x
  3. Step 3: Cross multiply
    3,329.33x = 4,993.99 × 1,868.45
  4. Step 4: Simplify right side
    3,329.33x = 9,330,990.97
  5. Step 5: Solve for x
    x = 9,330,990.97/3,329.33
  6. Step 6: Final answer
    x = 2,802.67

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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.