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Finding the Fourth Proportional to 3,610.96, 4,982.88 and 2,017.48

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Solution

The fourth proportional to 3,610.96, 4,982.88 and 2,017.48 is: 2,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.96 : 4,982.88 = 2,017.48 : x
  2. Step 2: Convert to fraction form
    3,610.96/4,982.88 = 2,017.48/x
  3. Step 3: Cross multiply
    3,610.96x = 4,982.88 × 2,017.48
  4. Step 4: Simplify right side
    3,610.96x = 10,052,860.74
  5. Step 5: Solve for x
    x = 10,052,860.74/3,610.96
  6. Step 6: Final answer
    x = 2,783.99

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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.