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Finding the Fourth Proportional to 58,043.36, 80,076.81 and 37,893.80

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Solution

The fourth proportional to 58,043.36, 80,076.81 and 37,893.80 is: 52,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,043.36 : 80,076.81 = 37,893.80 : x
  2. Step 2: Convert to fraction form
    58,043.36/80,076.81 = 37,893.80/x
  3. Step 3: Cross multiply
    58,043.36x = 80,076.81 × 37,893.80
  4. Step 4: Simplify right side
    58,043.36x = 3,034,414,622.78
  5. Step 5: Solve for x
    x = 3,034,414,622.78/58,043.36
  6. Step 6: Final answer
    x = 52,278.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.