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Finding the Fourth Proportional to 11,940.44, 16,478.98 and 6,903.06

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Solution

The fourth proportional to 11,940.44, 16,478.98 and 6,903.06 is: 9,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.44 : 16,478.98 = 6,903.06 : x
  2. Step 2: Convert to fraction form
    11,940.44/16,478.98 = 6,903.06/x
  3. Step 3: Cross multiply
    11,940.44x = 16,478.98 × 6,903.06
  4. Step 4: Simplify right side
    11,940.44x = 113,755,387.68
  5. Step 5: Solve for x
    x = 113,755,387.68/11,940.44
  6. Step 6: Final answer
    x = 9,526.90

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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.