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Finding the Fourth Proportional to 45,673.71, 68,469.05 and 17,575.85

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Solution

The fourth proportional to 45,673.71, 68,469.05 and 17,575.85 is: 26,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.71 : 68,469.05 = 17,575.85 : x
  2. Step 2: Convert to fraction form
    45,673.71/68,469.05 = 17,575.85/x
  3. Step 3: Cross multiply
    45,673.71x = 68,469.05 × 17,575.85
  4. Step 4: Simplify right side
    45,673.71x = 1,203,401,322.22
  5. Step 5: Solve for x
    x = 1,203,401,322.22/45,673.71
  6. Step 6: Final answer
    x = 26,347.79

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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.