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Finding the Fourth Proportional to 33,113.60, 49,676.80 and 16,697.60

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Solution

The fourth proportional to 33,113.60, 49,676.80 and 16,697.60 is: 25,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.60 : 49,676.80 = 16,697.60 : x
  2. Step 2: Convert to fraction form
    33,113.60/49,676.80 = 16,697.60/x
  3. Step 3: Cross multiply
    33,113.60x = 49,676.80 × 16,697.60
  4. Step 4: Simplify right side
    33,113.60x = 829,483,335.68
  5. Step 5: Solve for x
    x = 829,483,335.68/33,113.60
  6. Step 6: Final answer
    x = 25,049.63

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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.