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Finding the Fourth Proportional to 12,285.38, 16,953.87 and 6,696.38

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Solution

The fourth proportional to 12,285.38, 16,953.87 and 6,696.38 is: 9,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.38 : 16,953.87 = 6,696.38 : x
  2. Step 2: Convert to fraction form
    12,285.38/16,953.87 = 6,696.38/x
  3. Step 3: Cross multiply
    12,285.38x = 16,953.87 × 6,696.38
  4. Step 4: Simplify right side
    12,285.38x = 113,529,555.99
  5. Step 5: Solve for x
    x = 113,529,555.99/12,285.38
  6. Step 6: Final answer
    x = 9,241.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.