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Finding the Fourth Proportional to 13,696.26, 20,532.05 and 4,925

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Solution

The fourth proportional to 13,696.26, 20,532.05 and 4,925 is: 7,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.26 : 20,532.05 = 4,925 : x
  2. Step 2: Convert to fraction form
    13,696.26/20,532.05 = 4,925/x
  3. Step 3: Cross multiply
    13,696.26x = 20,532.05 × 4,925
  4. Step 4: Simplify right side
    13,696.26x = 101,120,321.63
  5. Step 5: Solve for x
    x = 101,120,321.63/13,696.26
  6. Step 6: Final answer
    x = 7,383.06

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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.