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Finding the Fourth Proportional to 32,755.60, 45,202.88 and 18,609.22

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Solution

The fourth proportional to 32,755.60, 45,202.88 and 18,609.22 is: 25,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,755.60 : 45,202.88 = 18,609.22 : x
  2. Step 2: Convert to fraction form
    32,755.60/45,202.88 = 18,609.22/x
  3. Step 3: Cross multiply
    32,755.60x = 45,202.88 × 18,609.22
  4. Step 4: Simplify right side
    32,755.60x = 841,190,338.55
  5. Step 5: Solve for x
    x = 841,190,338.55/32,755.60
  6. Step 6: Final answer
    x = 25,680.81

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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.