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Finding the Fourth Proportional to 49,889.93, 68,856.89 and 29,748.05

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Solution

The fourth proportional to 49,889.93, 68,856.89 and 29,748.05 is: 41,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889.93 : 68,856.89 = 29,748.05 : x
  2. Step 2: Convert to fraction form
    49,889.93/68,856.89 = 29,748.05/x
  3. Step 3: Cross multiply
    49,889.93x = 68,856.89 × 29,748.05
  4. Step 4: Simplify right side
    49,889.93x = 2,048,358,206.56
  5. Step 5: Solve for x
    x = 2,048,358,206.56/49,889.93
  6. Step 6: Final answer
    x = 41,057.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.