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Finding the Fourth Proportional to 17,651.40, 26,460.63 and 5,956.44

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Solution

The fourth proportional to 17,651.40, 26,460.63 and 5,956.44 is: 8,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.40 : 26,460.63 = 5,956.44 : x
  2. Step 2: Convert to fraction form
    17,651.40/26,460.63 = 5,956.44/x
  3. Step 3: Cross multiply
    17,651.40x = 26,460.63 × 5,956.44
  4. Step 4: Simplify right side
    17,651.40x = 157,611,154.96
  5. Step 5: Solve for x
    x = 157,611,154.96/17,651.40
  6. Step 6: Final answer
    x = 8,929.10

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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.