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Finding the Fourth Proportional to 74,300, 111,467.28 and 25,052

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Solution

The fourth proportional to 74,300, 111,467.28 and 25,052 is: 37,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300 : 111,467.28 = 25,052 : x
  2. Step 2: Convert to fraction form
    74,300/111,467.28 = 25,052/x
  3. Step 3: Cross multiply
    74,300x = 111,467.28 × 25,052
  4. Step 4: Simplify right side
    74,300x = 2,792,478,298.56
  5. Step 5: Solve for x
    x = 2,792,478,298.56/74,300
  6. Step 6: Final answer
    x = 37,583.83

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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.