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Finding the Fourth Proportional to 43,841.92, 65,765.44 and 12,676.48

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Solution

The fourth proportional to 43,841.92, 65,765.44 and 12,676.48 is: 19,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841.92 : 65,765.44 = 12,676.48 : x
  2. Step 2: Convert to fraction form
    43,841.92/65,765.44 = 12,676.48/x
  3. Step 3: Cross multiply
    43,841.92x = 65,765.44 × 12,676.48
  4. Step 4: Simplify right side
    43,841.92x = 833,674,284.85
  5. Step 5: Solve for x
    x = 833,674,284.85/43,841.92
  6. Step 6: Final answer
    x = 19,015.46

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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.