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Finding the Fourth Proportional to 33,316.21, 49,974.27 and 8,692.21

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Solution

The fourth proportional to 33,316.21, 49,974.27 and 8,692.21 is: 13,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.21 : 49,974.27 = 8,692.21 : x
  2. Step 2: Convert to fraction form
    33,316.21/49,974.27 = 8,692.21/x
  3. Step 3: Cross multiply
    33,316.21x = 49,974.27 × 8,692.21
  4. Step 4: Simplify right side
    33,316.21x = 434,386,849.44
  5. Step 5: Solve for x
    x = 434,386,849.44/33,316.21
  6. Step 6: Final answer
    x = 13,038.30

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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.