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Finding the Fourth Proportional to 28,923, 43,384.56 and 7,035

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Solution

The fourth proportional to 28,923, 43,384.56 and 7,035 is: 10,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923 : 43,384.56 = 7,035 : x
  2. Step 2: Convert to fraction form
    28,923/43,384.56 = 7,035/x
  3. Step 3: Cross multiply
    28,923x = 43,384.56 × 7,035
  4. Step 4: Simplify right side
    28,923x = 305,210,379.60
  5. Step 5: Solve for x
    x = 305,210,379.60/28,923
  6. Step 6: Final answer
    x = 10,552.51

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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.