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Finding the Fourth Proportional to 4,394.44, 6,591.49 and 1,107.49

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Solution

The fourth proportional to 4,394.44, 6,591.49 and 1,107.49 is: 1,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.44 : 6,591.49 = 1,107.49 : x
  2. Step 2: Convert to fraction form
    4,394.44/6,591.49 = 1,107.49/x
  3. Step 3: Cross multiply
    4,394.44x = 6,591.49 × 1,107.49
  4. Step 4: Simplify right side
    4,394.44x = 7,300,009.26
  5. Step 5: Solve for x
    x = 7,300,009.26/4,394.44
  6. Step 6: Final answer
    x = 1,661.19

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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.