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Finding the Fourth Proportional to 30,604.56, 45,908.92 and 9,826.80

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Solution

The fourth proportional to 30,604.56, 45,908.92 and 9,826.80 is: 14,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.56 : 45,908.92 = 9,826.80 : x
  2. Step 2: Convert to fraction form
    30,604.56/45,908.92 = 9,826.80/x
  3. Step 3: Cross multiply
    30,604.56x = 45,908.92 × 9,826.80
  4. Step 4: Simplify right side
    30,604.56x = 451,137,775.06
  5. Step 5: Solve for x
    x = 451,137,775.06/30,604.56
  6. Step 6: Final answer
    x = 14,740.87

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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.