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Finding the Fourth Proportional to 29,726.44, 44,597.10 and 20,978.44

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Solution

The fourth proportional to 29,726.44, 44,597.10 and 20,978.44 is: 31,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,726.44 : 44,597.10 = 20,978.44 : x
  2. Step 2: Convert to fraction form
    29,726.44/44,597.10 = 20,978.44/x
  3. Step 3: Cross multiply
    29,726.44x = 44,597.10 × 20,978.44
  4. Step 4: Simplify right side
    29,726.44x = 935,577,586.52
  5. Step 5: Solve for x
    x = 935,577,586.52/29,726.44
  6. Step 6: Final answer
    x = 31,472.91

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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.