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Finding the Fourth Proportional to 38,447.54, 57,673.60 and 10,745.54

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Solution

The fourth proportional to 38,447.54, 57,673.60 and 10,745.54 is: 16,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447.54 : 57,673.60 = 10,745.54 : x
  2. Step 2: Convert to fraction form
    38,447.54/57,673.60 = 10,745.54/x
  3. Step 3: Cross multiply
    38,447.54x = 57,673.60 × 10,745.54
  4. Step 4: Simplify right side
    38,447.54x = 619,733,975.74
  5. Step 5: Solve for x
    x = 619,733,975.74/38,447.54
  6. Step 6: Final answer
    x = 16,118.95

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1.5x scale

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.