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Finding the Fourth Proportional to 61,481.48, 84,843.54 and 34,624.04

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Solution

The fourth proportional to 61,481.48, 84,843.54 and 34,624.04 is: 47,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.48 : 84,843.54 = 34,624.04 : x
  2. Step 2: Convert to fraction form
    61,481.48/84,843.54 = 34,624.04/x
  3. Step 3: Cross multiply
    61,481.48x = 84,843.54 × 34,624.04
  4. Step 4: Simplify right side
    61,481.48x = 2,937,626,122.70
  5. Step 5: Solve for x
    x = 2,937,626,122.70/61,481.48
  6. Step 6: Final answer
    x = 47,780.67

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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.