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Finding the Fourth Proportional to 55,003.44, 75,912.12 and 32,648.88

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Solution

The fourth proportional to 55,003.44, 75,912.12 and 32,648.88 is: 45,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,003.44 : 75,912.12 = 32,648.88 : x
  2. Step 2: Convert to fraction form
    55,003.44/75,912.12 = 32,648.88/x
  3. Step 3: Cross multiply
    55,003.44x = 75,912.12 × 32,648.88
  4. Step 4: Simplify right side
    55,003.44x = 2,478,445,696.43
  5. Step 5: Solve for x
    x = 2,478,445,696.43/55,003.44
  6. Step 6: Final answer
    x = 45,059.83

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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.