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Finding the Fourth Proportional to 34,626.70, 51,903.60 and 13,558.60

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Solution

The fourth proportional to 34,626.70, 51,903.60 and 13,558.60 is: 20,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,626.70 : 51,903.60 = 13,558.60 : x
  2. Step 2: Convert to fraction form
    34,626.70/51,903.60 = 13,558.60/x
  3. Step 3: Cross multiply
    34,626.70x = 51,903.60 × 13,558.60
  4. Step 4: Simplify right side
    34,626.70x = 703,740,150.96
  5. Step 5: Solve for x
    x = 703,740,150.96/34,626.70
  6. Step 6: Final answer
    x = 20,323.63

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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.