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Finding the Fourth Proportional to 3,466.87, 4,783.92 and 1,974.48

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Solution

The fourth proportional to 3,466.87, 4,783.92 and 1,974.48 is: 2,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.87 : 4,783.92 = 1,974.48 : x
  2. Step 2: Convert to fraction form
    3,466.87/4,783.92 = 1,974.48/x
  3. Step 3: Cross multiply
    3,466.87x = 4,783.92 × 1,974.48
  4. Step 4: Simplify right side
    3,466.87x = 9,445,730.44
  5. Step 5: Solve for x
    x = 9,445,730.44/3,466.87
  6. Step 6: Final answer
    x = 2,724.57

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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.