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Finding the Fourth Proportional to 17,953.79, 26,930.63 and 4,806.17

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Solution

The fourth proportional to 17,953.79, 26,930.63 and 4,806.17 is: 7,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.79 : 26,930.63 = 4,806.17 : x
  2. Step 2: Convert to fraction form
    17,953.79/26,930.63 = 4,806.17/x
  3. Step 3: Cross multiply
    17,953.79x = 26,930.63 × 4,806.17
  4. Step 4: Simplify right side
    17,953.79x = 129,433,063.35
  5. Step 5: Solve for x
    x = 129,433,063.35/17,953.79
  6. Step 6: Final answer
    x = 7,209.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.