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Finding the Fourth Proportional to 32,755.85, 45,202.84 and 18,608.69

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Solution

The fourth proportional to 32,755.85, 45,202.84 and 18,608.69 is: 25,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,755.85 : 45,202.84 = 18,608.69 : x
  2. Step 2: Convert to fraction form
    32,755.85/45,202.84 = 18,608.69/x
  3. Step 3: Cross multiply
    32,755.85x = 45,202.84 × 18,608.69
  4. Step 4: Simplify right side
    32,755.85x = 841,165,636.68
  5. Step 5: Solve for x
    x = 841,165,636.68/32,755.85
  6. Step 6: Final answer
    x = 25,679.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.