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Finding the Fourth Proportional to 17,956.89, 26,935.35 and 5,644.89

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Solution

The fourth proportional to 17,956.89, 26,935.35 and 5,644.89 is: 8,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.89 : 26,935.35 = 5,644.89 : x
  2. Step 2: Convert to fraction form
    17,956.89/26,935.35 = 5,644.89/x
  3. Step 3: Cross multiply
    17,956.89x = 26,935.35 × 5,644.89
  4. Step 4: Simplify right side
    17,956.89x = 152,047,087.86
  5. Step 5: Solve for x
    x = 152,047,087.86/17,956.89
  6. Step 6: Final answer
    x = 8,467.34

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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.