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Finding the Fourth Proportional to 17,914.02, 26,691.03 and 16,908

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Solution

The fourth proportional to 17,914.02, 26,691.03 and 16,908 is: 25,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.02 : 26,691.03 = 16,908 : x
  2. Step 2: Convert to fraction form
    17,914.02/26,691.03 = 16,908/x
  3. Step 3: Cross multiply
    17,914.02x = 26,691.03 × 16,908
  4. Step 4: Simplify right side
    17,914.02x = 451,291,935.24
  5. Step 5: Solve for x
    x = 451,291,935.24/17,914.02
  6. Step 6: Final answer
    x = 25,192.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.