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Finding the Fourth Proportional to 38,906.92, 58,375.50 and 15,549.76

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Solution

The fourth proportional to 38,906.92, 58,375.50 and 15,549.76 is: 23,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.92 : 58,375.50 = 15,549.76 : x
  2. Step 2: Convert to fraction form
    38,906.92/58,375.50 = 15,549.76/x
  3. Step 3: Cross multiply
    38,906.92x = 58,375.50 × 15,549.76
  4. Step 4: Simplify right side
    38,906.92x = 907,725,014.88
  5. Step 5: Solve for x
    x = 907,725,014.88/38,906.92
  6. Step 6: Final answer
    x = 23,330.68

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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.