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Finding the Fourth Proportional to 2,994.99, 4,133.21 and 1,668.69

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Solution

The fourth proportional to 2,994.99, 4,133.21 and 1,668.69 is: 2,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.99 : 4,133.21 = 1,668.69 : x
  2. Step 2: Convert to fraction form
    2,994.99/4,133.21 = 1,668.69/x
  3. Step 3: Cross multiply
    2,994.99x = 4,133.21 × 1,668.69
  4. Step 4: Simplify right side
    2,994.99x = 6,897,050.37
  5. Step 5: Solve for x
    x = 6,897,050.37/2,994.99
  6. Step 6: Final answer
    x = 2,302.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.