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Finding the Fourth Proportional to 16,808.56, 25,212.82 and 6,936.98

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Solution

The fourth proportional to 16,808.56, 25,212.82 and 6,936.98 is: 10,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.56 : 25,212.82 = 6,936.98 : x
  2. Step 2: Convert to fraction form
    16,808.56/25,212.82 = 6,936.98/x
  3. Step 3: Cross multiply
    16,808.56x = 25,212.82 × 6,936.98
  4. Step 4: Simplify right side
    16,808.56x = 174,900,828.08
  5. Step 5: Solve for x
    x = 174,900,828.08/16,808.56
  6. Step 6: Final answer
    x = 10,405.46

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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.