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Finding the Fourth Proportional to 3,633.66, 5,019.03 and 3,160.62

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Solution

The fourth proportional to 3,633.66, 5,019.03 and 3,160.62 is: 4,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.66 : 5,019.03 = 3,160.62 : x
  2. Step 2: Convert to fraction form
    3,633.66/5,019.03 = 3,160.62/x
  3. Step 3: Cross multiply
    3,633.66x = 5,019.03 × 3,160.62
  4. Step 4: Simplify right side
    3,633.66x = 15,863,246.60
  5. Step 5: Solve for x
    x = 15,863,246.60/3,633.66
  6. Step 6: Final answer
    x = 4,365.64

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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.