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Finding the Fourth Proportional to 3,377.41, 5,065.63 and 912.44

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Solution

The fourth proportional to 3,377.41, 5,065.63 and 912.44 is: 1,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.41 : 5,065.63 = 912.44 : x
  2. Step 2: Convert to fraction form
    3,377.41/5,065.63 = 912.44/x
  3. Step 3: Cross multiply
    3,377.41x = 5,065.63 × 912.44
  4. Step 4: Simplify right side
    3,377.41x = 4,622,083.44
  5. Step 5: Solve for x
    x = 4,622,083.44/3,377.41
  6. Step 6: Final answer
    x = 1,368.53

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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.