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Finding the Fourth Proportional to 29,953.72, 44,936.78 and 12,184.39

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Solution

The fourth proportional to 29,953.72, 44,936.78 and 12,184.39 is: 18,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,953.72 : 44,936.78 = 12,184.39 : x
  2. Step 2: Convert to fraction form
    29,953.72/44,936.78 = 12,184.39/x
  3. Step 3: Cross multiply
    29,953.72x = 44,936.78 × 12,184.39
  4. Step 4: Simplify right side
    29,953.72x = 547,527,252.86
  5. Step 5: Solve for x
    x = 547,527,252.86/29,953.72
  6. Step 6: Final answer
    x = 18,279.11

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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.