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Finding the Fourth Proportional to 8,045.10, 12,067.65 and 6,965.10

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Solution

The fourth proportional to 8,045.10, 12,067.65 and 6,965.10 is: 10,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.10 : 12,067.65 = 6,965.10 : x
  2. Step 2: Convert to fraction form
    8,045.10/12,067.65 = 6,965.10/x
  3. Step 3: Cross multiply
    8,045.10x = 12,067.65 × 6,965.10
  4. Step 4: Simplify right side
    8,045.10x = 84,052,389.02
  5. Step 5: Solve for x
    x = 84,052,389.02/8,045.10
  6. Step 6: Final answer
    x = 10,447.65

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Similar ratio
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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.