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Finding the Fourth Proportional to 3,652.70, 5,074.52 and 3,618.54

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Solution

The fourth proportional to 3,652.70, 5,074.52 and 3,618.54 is: 5,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.70 : 5,074.52 = 3,618.54 : x
  2. Step 2: Convert to fraction form
    3,652.70/5,074.52 = 3,618.54/x
  3. Step 3: Cross multiply
    3,652.70x = 5,074.52 × 3,618.54
  4. Step 4: Simplify right side
    3,652.70x = 18,362,335.51
  5. Step 5: Solve for x
    x = 18,362,335.51/3,652.70
  6. Step 6: Final answer
    x = 5,027.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.