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Finding the Fourth Proportional to 33,187.68, 49,770.45 and 10,994.76

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Solution

The fourth proportional to 33,187.68, 49,770.45 and 10,994.76 is: 16,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.68 : 49,770.45 = 10,994.76 : x
  2. Step 2: Convert to fraction form
    33,187.68/49,770.45 = 10,994.76/x
  3. Step 3: Cross multiply
    33,187.68x = 49,770.45 × 10,994.76
  4. Step 4: Simplify right side
    33,187.68x = 547,214,152.84
  5. Step 5: Solve for x
    x = 547,214,152.84/33,187.68
  6. Step 6: Final answer
    x = 16,488.47

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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.