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Finding the Fourth Proportional to 57,469.41, 86,207.36 and 17,489.70

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Solution

The fourth proportional to 57,469.41, 86,207.36 and 17,489.70 is: 26,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,469.41 : 86,207.36 = 17,489.70 : x
  2. Step 2: Convert to fraction form
    57,469.41/86,207.36 = 17,489.70/x
  3. Step 3: Cross multiply
    57,469.41x = 86,207.36 × 17,489.70
  4. Step 4: Simplify right side
    57,469.41x = 1,507,740,648.67
  5. Step 5: Solve for x
    x = 1,507,740,648.67/57,469.41
  6. Step 6: Final answer
    x = 26,235.53

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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.