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Finding the Fourth Proportional to 51,647.84, 71,289.60 and 44,649.44

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Solution

The fourth proportional to 51,647.84, 71,289.60 and 44,649.44 is: 61,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.84 : 71,289.60 = 44,649.44 : x
  2. Step 2: Convert to fraction form
    51,647.84/71,289.60 = 44,649.44/x
  3. Step 3: Cross multiply
    51,647.84x = 71,289.60 × 44,649.44
  4. Step 4: Simplify right side
    51,647.84x = 3,183,040,717.82
  5. Step 5: Solve for x
    x = 3,183,040,717.82/51,647.84
  6. Step 6: Final answer
    x = 61,629.70

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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.