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Finding the Fourth Proportional to 1,893.01, 2,821.18 and 1,794.60

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Solution

The fourth proportional to 1,893.01, 2,821.18 and 1,794.60 is: 2,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.01 : 2,821.18 = 1,794.60 : x
  2. Step 2: Convert to fraction form
    1,893.01/2,821.18 = 1,794.60/x
  3. Step 3: Cross multiply
    1,893.01x = 2,821.18 × 1,794.60
  4. Step 4: Simplify right side
    1,893.01x = 5,062,866.55
  5. Step 5: Solve for x
    x = 5,062,866.55/1,893.01
  6. Step 6: Final answer
    x = 2,674.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.