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Finding the Fourth Proportional to 41,622, 57,438.60 and 26,718

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Solution

The fourth proportional to 41,622, 57,438.60 and 26,718 is: 36,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,622 : 57,438.60 = 26,718 : x
  2. Step 2: Convert to fraction form
    41,622/57,438.60 = 26,718/x
  3. Step 3: Cross multiply
    41,622x = 57,438.60 × 26,718
  4. Step 4: Simplify right side
    41,622x = 1,534,644,514.80
  5. Step 5: Solve for x
    x = 1,534,644,514.80/41,622
  6. Step 6: Final answer
    x = 36,870.99

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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.