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Finding the Fourth Proportional to 2,994.26, 4,491.62 and 914.28

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Solution

The fourth proportional to 2,994.26, 4,491.62 and 914.28 is: 1,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.26 : 4,491.62 = 914.28 : x
  2. Step 2: Convert to fraction form
    2,994.26/4,491.62 = 914.28/x
  3. Step 3: Cross multiply
    2,994.26x = 4,491.62 × 914.28
  4. Step 4: Simplify right side
    2,994.26x = 4,106,592.98
  5. Step 5: Solve for x
    x = 4,106,592.98/2,994.26
  6. Step 6: Final answer
    x = 1,371.49

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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.