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Finding the Fourth Proportional to 29,335.77, 43,992.45 and 12,694.46

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Solution

The fourth proportional to 29,335.77, 43,992.45 and 12,694.46 is: 19,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.77 : 43,992.45 = 12,694.46 : x
  2. Step 2: Convert to fraction form
    29,335.77/43,992.45 = 12,694.46/x
  3. Step 3: Cross multiply
    29,335.77x = 43,992.45 × 12,694.46
  4. Step 4: Simplify right side
    29,335.77x = 558,460,176.86
  5. Step 5: Solve for x
    x = 558,460,176.86/29,335.77
  6. Step 6: Final answer
    x = 19,036.83

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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.