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Finding the Fourth Proportional to 29,957.35, 44,936.03 and 12,422.47

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Solution

The fourth proportional to 29,957.35, 44,936.03 and 12,422.47 is: 18,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,957.35 : 44,936.03 = 12,422.47 : x
  2. Step 2: Convert to fraction form
    29,957.35/44,936.03 = 12,422.47/x
  3. Step 3: Cross multiply
    29,957.35x = 44,936.03 × 12,422.47
  4. Step 4: Simplify right side
    29,957.35x = 558,216,484.59
  5. Step 5: Solve for x
    x = 558,216,484.59/29,957.35
  6. Step 6: Final answer
    x = 18,633.71

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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.