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Finding the Fourth Proportional to 30,244.97, 41,739.02 and 16,816.79

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Solution

The fourth proportional to 30,244.97, 41,739.02 and 16,816.79 is: 23,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.97 : 41,739.02 = 16,816.79 : x
  2. Step 2: Convert to fraction form
    30,244.97/41,739.02 = 16,816.79/x
  3. Step 3: Cross multiply
    30,244.97x = 41,739.02 × 16,816.79
  4. Step 4: Simplify right side
    30,244.97x = 701,916,334.15
  5. Step 5: Solve for x
    x = 701,916,334.15/30,244.97
  6. Step 6: Final answer
    x = 23,207.70

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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.