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Finding the Fourth Proportional to 36,696.10, 55,007.70 and 16,940.20

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Solution

The fourth proportional to 36,696.10, 55,007.70 and 16,940.20 is: 25,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,696.10 : 55,007.70 = 16,940.20 : x
  2. Step 2: Convert to fraction form
    36,696.10/55,007.70 = 16,940.20/x
  3. Step 3: Cross multiply
    36,696.10x = 55,007.70 × 16,940.20
  4. Step 4: Simplify right side
    36,696.10x = 931,841,439.54
  5. Step 5: Solve for x
    x = 931,841,439.54/36,696.10
  6. Step 6: Final answer
    x = 25,393.47

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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.