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Finding the Fourth Proportional to 55,008, 75,912.44 and 29,857.44

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Solution

The fourth proportional to 55,008, 75,912.44 and 29,857.44 is: 41,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008 : 75,912.44 = 29,857.44 : x
  2. Step 2: Convert to fraction form
    55,008/75,912.44 = 29,857.44/x
  3. Step 3: Cross multiply
    55,008x = 75,912.44 × 29,857.44
  4. Step 4: Simplify right side
    55,008x = 2,266,551,122.55
  5. Step 5: Solve for x
    x = 2,266,551,122.55/55,008
  6. Step 6: Final answer
    x = 41,204.03

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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.