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Finding the Fourth Proportional to 2,994.06, 4,128.48 and 2,454.06

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Solution

The fourth proportional to 2,994.06, 4,128.48 and 2,454.06 is: 3,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.06 : 4,128.48 = 2,454.06 : x
  2. Step 2: Convert to fraction form
    2,994.06/4,128.48 = 2,454.06/x
  3. Step 3: Cross multiply
    2,994.06x = 4,128.48 × 2,454.06
  4. Step 4: Simplify right side
    2,994.06x = 10,131,537.63
  5. Step 5: Solve for x
    x = 10,131,537.63/2,994.06
  6. Step 6: Final answer
    x = 3,383.88

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1.5x scale

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.