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Finding the Fourth Proportional to 25,604.99, 38,407.49 and 8,076.19

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Solution

The fourth proportional to 25,604.99, 38,407.49 and 8,076.19 is: 12,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.99 : 38,407.49 = 8,076.19 : x
  2. Step 2: Convert to fraction form
    25,604.99/38,407.49 = 8,076.19/x
  3. Step 3: Cross multiply
    25,604.99x = 38,407.49 × 8,076.19
  4. Step 4: Simplify right side
    25,604.99x = 310,185,993.39
  5. Step 5: Solve for x
    x = 310,185,993.39/25,604.99
  6. Step 6: Final answer
    x = 12,114.28

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Similar ratio
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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.