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Finding the Fourth Proportional to 17,956.58, 26,947.16 and 6,269.80

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Solution

The fourth proportional to 17,956.58, 26,947.16 and 6,269.80 is: 9,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.58 : 26,947.16 = 6,269.80 : x
  2. Step 2: Convert to fraction form
    17,956.58/26,947.16 = 6,269.80/x
  3. Step 3: Cross multiply
    17,956.58x = 26,947.16 × 6,269.80
  4. Step 4: Simplify right side
    17,956.58x = 168,953,303.77
  5. Step 5: Solve for x
    x = 168,953,303.77/17,956.58
  6. Step 6: Final answer
    x = 9,408.99

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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.