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Finding the Fourth Proportional to 3,673.35, 5,069.19 and 1,994.76

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Solution

The fourth proportional to 3,673.35, 5,069.19 and 1,994.76 is: 2,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.35 : 5,069.19 = 1,994.76 : x
  2. Step 2: Convert to fraction form
    3,673.35/5,069.19 = 1,994.76/x
  3. Step 3: Cross multiply
    3,673.35x = 5,069.19 × 1,994.76
  4. Step 4: Simplify right side
    3,673.35x = 10,111,817.44
  5. Step 5: Solve for x
    x = 10,111,817.44/3,673.35
  6. Step 6: Final answer
    x = 2,752.75

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Half scale
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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.