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Finding the Fourth Proportional to 2,045.23, 3,067.06 and 874.49

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Solution

The fourth proportional to 2,045.23, 3,067.06 and 874.49 is: 1,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.23 : 3,067.06 = 874.49 : x
  2. Step 2: Convert to fraction form
    2,045.23/3,067.06 = 874.49/x
  3. Step 3: Cross multiply
    2,045.23x = 3,067.06 × 874.49
  4. Step 4: Simplify right side
    2,045.23x = 2,682,113.30
  5. Step 5: Solve for x
    x = 2,682,113.30/2,045.23
  6. Step 6: Final answer
    x = 1,311.40

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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.