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Finding the Fourth Proportional to 33,477.84, 50,219.70 and 12,418.11

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Solution

The fourth proportional to 33,477.84, 50,219.70 and 12,418.11 is: 18,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,477.84 : 50,219.70 = 12,418.11 : x
  2. Step 2: Convert to fraction form
    33,477.84/50,219.70 = 12,418.11/x
  3. Step 3: Cross multiply
    33,477.84x = 50,219.70 × 12,418.11
  4. Step 4: Simplify right side
    33,477.84x = 623,633,758.77
  5. Step 5: Solve for x
    x = 623,633,758.77/33,477.84
  6. Step 6: Final answer
    x = 18,628.26

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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.