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Finding the Fourth Proportional to 37,967, 56,838.36 and 28,040.36

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Solution

The fourth proportional to 37,967, 56,838.36 and 28,040.36 is: 41,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,967 : 56,838.36 = 28,040.36 : x
  2. Step 2: Convert to fraction form
    37,967/56,838.36 = 28,040.36/x
  3. Step 3: Cross multiply
    37,967x = 56,838.36 × 28,040.36
  4. Step 4: Simplify right side
    37,967x = 1,593,768,076.21
  5. Step 5: Solve for x
    x = 1,593,768,076.21/37,967
  6. Step 6: Final answer
    x = 41,977.72

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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.