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Finding the Fourth Proportional to 17,474.98, 26,186.55 and 12,835.30

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Solution

The fourth proportional to 17,474.98, 26,186.55 and 12,835.30 is: 19,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,474.98 : 26,186.55 = 12,835.30 : x
  2. Step 2: Convert to fraction form
    17,474.98/26,186.55 = 12,835.30/x
  3. Step 3: Cross multiply
    17,474.98x = 26,186.55 × 12,835.30
  4. Step 4: Simplify right side
    17,474.98x = 336,112,322.77
  5. Step 5: Solve for x
    x = 336,112,322.77/17,474.98
  6. Step 6: Final answer
    x = 19,233.91

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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.