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Finding the Fourth Proportional to 30,246.44, 41,741.50 and 16,817.50

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Solution

The fourth proportional to 30,246.44, 41,741.50 and 16,817.50 is: 23,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.44 : 41,741.50 = 16,817.50 : x
  2. Step 2: Convert to fraction form
    30,246.44/41,741.50 = 16,817.50/x
  3. Step 3: Cross multiply
    30,246.44x = 41,741.50 × 16,817.50
  4. Step 4: Simplify right side
    30,246.44x = 701,987,676.25
  5. Step 5: Solve for x
    x = 701,987,676.25/30,246.44
  6. Step 6: Final answer
    x = 23,208.94

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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.