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Finding the Fourth Proportional to 25,977.50, 38,968.17 and 8,873.54

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Solution

The fourth proportional to 25,977.50, 38,968.17 and 8,873.54 is: 13,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,977.50 : 38,968.17 = 8,873.54 : x
  2. Step 2: Convert to fraction form
    25,977.50/38,968.17 = 8,873.54/x
  3. Step 3: Cross multiply
    25,977.50x = 38,968.17 × 8,873.54
  4. Step 4: Simplify right side
    25,977.50x = 345,785,615.22
  5. Step 5: Solve for x
    x = 345,785,615.22/25,977.50
  6. Step 6: Final answer
    x = 13,310.97

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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.