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Finding the Fourth Proportional to 43,778.70, 65,671.70 and 17,469.09

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Solution

The fourth proportional to 43,778.70, 65,671.70 and 17,469.09 is: 26,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,778.70 : 65,671.70 = 17,469.09 : x
  2. Step 2: Convert to fraction form
    43,778.70/65,671.70 = 17,469.09/x
  3. Step 3: Cross multiply
    43,778.70x = 65,671.70 × 17,469.09
  4. Step 4: Simplify right side
    43,778.70x = 1,147,224,750.41
  5. Step 5: Solve for x
    x = 1,147,224,750.41/43,778.70
  6. Step 6: Final answer
    x = 26,205.09

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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.