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Finding the Fourth Proportional to 3,600.96, 4,969.56 and 2,028.96

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Solution

The fourth proportional to 3,600.96, 4,969.56 and 2,028.96 is: 2,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.96 : 4,969.56 = 2,028.96 : x
  2. Step 2: Convert to fraction form
    3,600.96/4,969.56 = 2,028.96/x
  3. Step 3: Cross multiply
    3,600.96x = 4,969.56 × 2,028.96
  4. Step 4: Simplify right side
    3,600.96x = 10,083,038.46
  5. Step 5: Solve for x
    x = 10,083,038.46/3,600.96
  6. Step 6: Final answer
    x = 2,800.10

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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.