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Finding the Fourth Proportional to 17,956.35, 26,922.03 and 7,955.67

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Solution

The fourth proportional to 17,956.35, 26,922.03 and 7,955.67 is: 11,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.35 : 26,922.03 = 7,955.67 : x
  2. Step 2: Convert to fraction form
    17,956.35/26,922.03 = 7,955.67/x
  3. Step 3: Cross multiply
    17,956.35x = 26,922.03 × 7,955.67
  4. Step 4: Simplify right side
    17,956.35x = 214,182,719.11
  5. Step 5: Solve for x
    x = 214,182,719.11/17,956.35
  6. Step 6: Final answer
    x = 11,927.97

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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.