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Finding the Fourth Proportional to 41,893.50, 57,813.30 and 23,031.30

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Solution

The fourth proportional to 41,893.50, 57,813.30 and 23,031.30 is: 31,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,893.50 : 57,813.30 = 23,031.30 : x
  2. Step 2: Convert to fraction form
    41,893.50/57,813.30 = 23,031.30/x
  3. Step 3: Cross multiply
    41,893.50x = 57,813.30 × 23,031.30
  4. Step 4: Simplify right side
    41,893.50x = 1,331,515,456.29
  5. Step 5: Solve for x
    x = 1,331,515,456.29/41,893.50
  6. Step 6: Final answer
    x = 31,783.34

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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.