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Finding the Fourth Proportional to 3,362.32, 4,640.16 and 1,965.52

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Solution

The fourth proportional to 3,362.32, 4,640.16 and 1,965.52 is: 2,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.32 : 4,640.16 = 1,965.52 : x
  2. Step 2: Convert to fraction form
    3,362.32/4,640.16 = 1,965.52/x
  3. Step 3: Cross multiply
    3,362.32x = 4,640.16 × 1,965.52
  4. Step 4: Simplify right side
    3,362.32x = 9,120,327.28
  5. Step 5: Solve for x
    x = 9,120,327.28/3,362.32
  6. Step 6: Final answer
    x = 2,712.51

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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.