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Finding the Fourth Proportional to 2,023.44, 3,031.08 and 1,965.12

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Solution

The fourth proportional to 2,023.44, 3,031.08 and 1,965.12 is: 2,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.44 : 3,031.08 = 1,965.12 : x
  2. Step 2: Convert to fraction form
    2,023.44/3,031.08 = 1,965.12/x
  3. Step 3: Cross multiply
    2,023.44x = 3,031.08 × 1,965.12
  4. Step 4: Simplify right side
    2,023.44x = 5,956,435.93
  5. Step 5: Solve for x
    x = 5,956,435.93/2,023.44
  6. Step 6: Final answer
    x = 2,943.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.