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Finding the Fourth Proportional to 2,994.88, 4,132.88 and 1,668.68

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Solution

The fourth proportional to 2,994.88, 4,132.88 and 1,668.68 is: 2,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.88 : 4,132.88 = 1,668.68 : x
  2. Step 2: Convert to fraction form
    2,994.88/4,132.88 = 1,668.68/x
  3. Step 3: Cross multiply
    2,994.88x = 4,132.88 × 1,668.68
  4. Step 4: Simplify right side
    2,994.88x = 6,896,454.20
  5. Step 5: Solve for x
    x = 6,896,454.20/2,994.88
  6. Step 6: Final answer
    x = 2,302.75

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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.