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Finding the Fourth Proportional to 30,349.68, 41,880.96 and 16,739.94

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Solution

The fourth proportional to 30,349.68, 41,880.96 and 16,739.94 is: 23,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.68 : 41,880.96 = 16,739.94 : x
  2. Step 2: Convert to fraction form
    30,349.68/41,880.96 = 16,739.94/x
  3. Step 3: Cross multiply
    30,349.68x = 41,880.96 × 16,739.94
  4. Step 4: Simplify right side
    30,349.68x = 701,084,757.54
  5. Step 5: Solve for x
    x = 701,084,757.54/30,349.68
  6. Step 6: Final answer
    x = 23,100.24

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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.