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Finding the Fourth Proportional to 2,027.80, 2,846.60 and 2,027.80

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Solution

The fourth proportional to 2,027.80, 2,846.60 and 2,027.80 is: 2,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.80 : 2,846.60 = 2,027.80 : x
  2. Step 2: Convert to fraction form
    2,027.80/2,846.60 = 2,027.80/x
  3. Step 3: Cross multiply
    2,027.80x = 2,846.60 × 2,027.80
  4. Step 4: Simplify right side
    2,027.80x = 5,772,335.48
  5. Step 5: Solve for x
    x = 5,772,335.48/2,027.80
  6. Step 6: Final answer
    x = 2,846.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.