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Finding the Fourth Proportional to 49,073.48, 73,610.04 and 12,137.48

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Solution

The fourth proportional to 49,073.48, 73,610.04 and 12,137.48 is: 18,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,073.48 : 73,610.04 = 12,137.48 : x
  2. Step 2: Convert to fraction form
    49,073.48/73,610.04 = 12,137.48/x
  3. Step 3: Cross multiply
    49,073.48x = 73,610.04 × 12,137.48
  4. Step 4: Simplify right side
    49,073.48x = 893,440,388.30
  5. Step 5: Solve for x
    x = 893,440,388.30/49,073.48
  6. Step 6: Final answer
    x = 18,206.18

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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.