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Finding the Fourth Proportional to 44,408.99, 66,289.49 and 38,803.88

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Solution

The fourth proportional to 44,408.99, 66,289.49 and 38,803.88 is: 57,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,408.99 : 66,289.49 = 38,803.88 : x
  2. Step 2: Convert to fraction form
    44,408.99/66,289.49 = 38,803.88/x
  3. Step 3: Cross multiply
    44,408.99x = 66,289.49 × 38,803.88
  4. Step 4: Simplify right side
    44,408.99x = 2,572,288,889.75
  5. Step 5: Solve for x
    x = 2,572,288,889.75/44,408.99
  6. Step 6: Final answer
    x = 57,922.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.