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Finding the Fourth Proportional to 43,841.54, 65,773.25 and 12,676.79

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Solution

The fourth proportional to 43,841.54, 65,773.25 and 12,676.79 is: 19,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841.54 : 65,773.25 = 12,676.79 : x
  2. Step 2: Convert to fraction form
    43,841.54/65,773.25 = 12,676.79/x
  3. Step 3: Cross multiply
    43,841.54x = 65,773.25 × 12,676.79
  4. Step 4: Simplify right side
    43,841.54x = 833,793,285.62
  5. Step 5: Solve for x
    x = 833,793,285.62/43,841.54
  6. Step 6: Final answer
    x = 19,018.34

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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.