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Finding the Fourth Proportional to 16,696.52, 25,047.12 and 6,837.20

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Solution

The fourth proportional to 16,696.52, 25,047.12 and 6,837.20 is: 10,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.52 : 25,047.12 = 6,837.20 : x
  2. Step 2: Convert to fraction form
    16,696.52/25,047.12 = 6,837.20/x
  3. Step 3: Cross multiply
    16,696.52x = 25,047.12 × 6,837.20
  4. Step 4: Simplify right side
    16,696.52x = 171,252,168.86
  5. Step 5: Solve for x
    x = 171,252,168.86/16,696.52
  6. Step 6: Final answer
    x = 10,256.76

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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.