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Finding the Fourth Proportional to 16,696.88, 25,045.24 and 6,836.16

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Solution

The fourth proportional to 16,696.88, 25,045.24 and 6,836.16 is: 10,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.88 : 25,045.24 = 6,836.16 : x
  2. Step 2: Convert to fraction form
    16,696.88/25,045.24 = 6,836.16/x
  3. Step 3: Cross multiply
    16,696.88x = 25,045.24 × 6,836.16
  4. Step 4: Simplify right side
    16,696.88x = 171,213,108.47
  5. Step 5: Solve for x
    x = 171,213,108.47/16,696.88
  6. Step 6: Final answer
    x = 10,254.20

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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.