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Finding the Fourth Proportional to 3,850.95, 5,748.55 and 3,383.86

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Solution

The fourth proportional to 3,850.95, 5,748.55 and 3,383.86 is: 5,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.95 : 5,748.55 = 3,383.86 : x
  2. Step 2: Convert to fraction form
    3,850.95/5,748.55 = 3,383.86/x
  3. Step 3: Cross multiply
    3,850.95x = 5,748.55 × 3,383.86
  4. Step 4: Simplify right side
    3,850.95x = 19,452,268.12
  5. Step 5: Solve for x
    x = 19,452,268.12/3,850.95
  6. Step 6: Final answer
    x = 5,051.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.