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Finding the Fourth Proportional to 30,020.65, 44,994.06 and 16,845.34

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Solution

The fourth proportional to 30,020.65, 44,994.06 and 16,845.34 is: 25,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.65 : 44,994.06 = 16,845.34 : x
  2. Step 2: Convert to fraction form
    30,020.65/44,994.06 = 16,845.34/x
  3. Step 3: Cross multiply
    30,020.65x = 44,994.06 × 16,845.34
  4. Step 4: Simplify right side
    30,020.65x = 757,940,238.68
  5. Step 5: Solve for x
    x = 757,940,238.68/30,020.65
  6. Step 6: Final answer
    x = 25,247.30

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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.