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Finding the Fourth Proportional to 45,548.53, 68,227.11 and 28,899.99

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Solution

The fourth proportional to 45,548.53, 68,227.11 and 28,899.99 is: 43,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,548.53 : 68,227.11 = 28,899.99 : x
  2. Step 2: Convert to fraction form
    45,548.53/68,227.11 = 28,899.99/x
  3. Step 3: Cross multiply
    45,548.53x = 68,227.11 × 28,899.99
  4. Step 4: Simplify right side
    45,548.53x = 1,971,762,796.73
  5. Step 5: Solve for x
    x = 1,971,762,796.73/45,548.53
  6. Step 6: Final answer
    x = 43,289.28

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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.