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Finding the Fourth Proportional to 18,604.56, 25,674.84 and 10,649.34

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Solution

The fourth proportional to 18,604.56, 25,674.84 and 10,649.34 is: 14,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.56 : 25,674.84 = 10,649.34 : x
  2. Step 2: Convert to fraction form
    18,604.56/25,674.84 = 10,649.34/x
  3. Step 3: Cross multiply
    18,604.56x = 25,674.84 × 10,649.34
  4. Step 4: Simplify right side
    18,604.56x = 273,420,100.61
  5. Step 5: Solve for x
    x = 273,420,100.61/18,604.56
  6. Step 6: Final answer
    x = 14,696.40

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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.