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Finding the Fourth Proportional to 33,378.92, 50,064.54 and 8,756.84

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Solution

The fourth proportional to 33,378.92, 50,064.54 and 8,756.84 is: 13,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.92 : 50,064.54 = 8,756.84 : x
  2. Step 2: Convert to fraction form
    33,378.92/50,064.54 = 8,756.84/x
  3. Step 3: Cross multiply
    33,378.92x = 50,064.54 × 8,756.84
  4. Step 4: Simplify right side
    33,378.92x = 438,407,166.45
  5. Step 5: Solve for x
    x = 438,407,166.45/33,378.92
  6. Step 6: Final answer
    x = 13,134.25

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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.