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Finding the Fourth Proportional to 3,292.44, 4,540.62 and 1,965.66

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Solution

The fourth proportional to 3,292.44, 4,540.62 and 1,965.66 is: 2,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.44 : 4,540.62 = 1,965.66 : x
  2. Step 2: Convert to fraction form
    3,292.44/4,540.62 = 1,965.66/x
  3. Step 3: Cross multiply
    3,292.44x = 4,540.62 × 1,965.66
  4. Step 4: Simplify right side
    3,292.44x = 8,925,315.11
  5. Step 5: Solve for x
    x = 8,925,315.11/3,292.44
  6. Step 6: Final answer
    x = 2,710.85

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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.