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Finding the Fourth Proportional to 30,245.67, 41,736.65 and 16,816.10

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Solution

The fourth proportional to 30,245.67, 41,736.65 and 16,816.10 is: 23,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.67 : 41,736.65 = 16,816.10 : x
  2. Step 2: Convert to fraction form
    30,245.67/41,736.65 = 16,816.10/x
  3. Step 3: Cross multiply
    30,245.67x = 41,736.65 × 16,816.10
  4. Step 4: Simplify right side
    30,245.67x = 701,847,680.07
  5. Step 5: Solve for x
    x = 701,847,680.07/30,245.67
  6. Step 6: Final answer
    x = 23,204.90

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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.