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Finding the Fourth Proportional to 19,692.84, 29,544.12 and 5,841.84

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Solution

The fourth proportional to 19,692.84, 29,544.12 and 5,841.84 is: 8,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.84 : 29,544.12 = 5,841.84 : x
  2. Step 2: Convert to fraction form
    19,692.84/29,544.12 = 5,841.84/x
  3. Step 3: Cross multiply
    19,692.84x = 29,544.12 × 5,841.84
  4. Step 4: Simplify right side
    19,692.84x = 172,592,021.98
  5. Step 5: Solve for x
    x = 172,592,021.98/19,692.84
  6. Step 6: Final answer
    x = 8,764.20

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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.