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Finding the Fourth Proportional to 11,956.79, 17,935.79 and 4,559.87

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Solution

The fourth proportional to 11,956.79, 17,935.79 and 4,559.87 is: 6,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.79 : 17,935.79 = 4,559.87 : x
  2. Step 2: Convert to fraction form
    11,956.79/17,935.79 = 4,559.87/x
  3. Step 3: Cross multiply
    11,956.79x = 17,935.79 × 4,559.87
  4. Step 4: Simplify right side
    11,956.79x = 81,784,758.27
  5. Step 5: Solve for x
    x = 81,784,758.27/11,956.79
  6. Step 6: Final answer
    x = 6,840.03

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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.