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Finding the Fourth Proportional to 17,834,620.60, 26,751,930.90 and 11,452,079.80

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Solution

The fourth proportional to 17,834,620.60, 26,751,930.90 and 11,452,079.80 is: 17,178,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,834,620.60 : 26,751,930.90 = 11,452,079.80 : x
  2. Step 2: Convert to fraction form
    17,834,620.60/26,751,930.90 = 11,452,079.80/x
  3. Step 3: Cross multiply
    17,834,620.60x = 26,751,930.90 × 11,452,079.80
  4. Step 4: Simplify right side
    17,834,620.60x = 306,365,247,470,885.81
  5. Step 5: Solve for x
    x = 306,365,247,470,885.81/17,834,620.60
  6. Step 6: Final answer
    x = 17,178,119.70

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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.