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Finding the Fourth Proportional to 45,644.27, 62,978.29 and 26,512.67

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Solution

The fourth proportional to 45,644.27, 62,978.29 and 26,512.67 is: 36,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,644.27 : 62,978.29 = 26,512.67 : x
  2. Step 2: Convert to fraction form
    45,644.27/62,978.29 = 26,512.67/x
  3. Step 3: Cross multiply
    45,644.27x = 62,978.29 × 26,512.67
  4. Step 4: Simplify right side
    45,644.27x = 1,669,722,698.66
  5. Step 5: Solve for x
    x = 1,669,722,698.66/45,644.27
  6. Step 6: Final answer
    x = 36,581.22

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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.