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Finding the Fourth Proportional to 3,249.03, 4,485.06 and 1,922.79

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Solution

The fourth proportional to 3,249.03, 4,485.06 and 1,922.79 is: 2,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.03 : 4,485.06 = 1,922.79 : x
  2. Step 2: Convert to fraction form
    3,249.03/4,485.06 = 1,922.79/x
  3. Step 3: Cross multiply
    3,249.03x = 4,485.06 × 1,922.79
  4. Step 4: Simplify right side
    3,249.03x = 8,623,828.52
  5. Step 5: Solve for x
    x = 8,623,828.52/3,249.03
  6. Step 6: Final answer
    x = 2,654.28

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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.