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Finding the Fourth Proportional to 33,278.84, 49,917.68 and 8,319.04

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Solution

The fourth proportional to 33,278.84, 49,917.68 and 8,319.04 is: 12,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.84 : 49,917.68 = 8,319.04 : x
  2. Step 2: Convert to fraction form
    33,278.84/49,917.68 = 8,319.04/x
  3. Step 3: Cross multiply
    33,278.84x = 49,917.68 × 8,319.04
  4. Step 4: Simplify right side
    33,278.84x = 415,267,176.63
  5. Step 5: Solve for x
    x = 415,267,176.63/33,278.84
  6. Step 6: Final answer
    x = 12,478.42

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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.