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Finding the Fourth Proportional to 43,843.68, 65,775.26 and 12,676.56

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Solution

The fourth proportional to 43,843.68, 65,775.26 and 12,676.56 is: 19,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843.68 : 65,775.26 = 12,676.56 : x
  2. Step 2: Convert to fraction form
    43,843.68/65,775.26 = 12,676.56/x
  3. Step 3: Cross multiply
    43,843.68x = 65,775.26 × 12,676.56
  4. Step 4: Simplify right side
    43,843.68x = 833,804,029.91
  5. Step 5: Solve for x
    x = 833,804,029.91/43,843.68
  6. Step 6: Final answer
    x = 19,017.66

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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.