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Finding the Fourth Proportional to 14,000.82, 20,994.94 and 4,136.64

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Solution

The fourth proportional to 14,000.82, 20,994.94 and 4,136.64 is: 6,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.82 : 20,994.94 = 4,136.64 : x
  2. Step 2: Convert to fraction form
    14,000.82/20,994.94 = 4,136.64/x
  3. Step 3: Cross multiply
    14,000.82x = 20,994.94 × 4,136.64
  4. Step 4: Simplify right side
    14,000.82x = 86,848,508.60
  5. Step 5: Solve for x
    x = 86,848,508.60/14,000.82
  6. Step 6: Final answer
    x = 6,203.10

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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.