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Finding the Fourth Proportional to 3,600.64, 4,968.32 and 2,028.48

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Solution

The fourth proportional to 3,600.64, 4,968.32 and 2,028.48 is: 2,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.64 : 4,968.32 = 2,028.48 : x
  2. Step 2: Convert to fraction form
    3,600.64/4,968.32 = 2,028.48/x
  3. Step 3: Cross multiply
    3,600.64x = 4,968.32 × 2,028.48
  4. Step 4: Simplify right side
    3,600.64x = 10,078,137.75
  5. Step 5: Solve for x
    x = 10,078,137.75/3,600.64
  6. Step 6: Final answer
    x = 2,798.99

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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.