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Finding the Fourth Proportional to 28,696.50, 43,046.37 and 10,228.50

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Solution

The fourth proportional to 28,696.50, 43,046.37 and 10,228.50 is: 15,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.50 : 43,046.37 = 10,228.50 : x
  2. Step 2: Convert to fraction form
    28,696.50/43,046.37 = 10,228.50/x
  3. Step 3: Cross multiply
    28,696.50x = 43,046.37 × 10,228.50
  4. Step 4: Simplify right side
    28,696.50x = 440,299,795.55
  5. Step 5: Solve for x
    x = 440,299,795.55/28,696.50
  6. Step 6: Final answer
    x = 15,343.33

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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.