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Finding the Fourth Proportional to 52,481.92, 72,422.94 and 28,608.10

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Solution

The fourth proportional to 52,481.92, 72,422.94 and 28,608.10 is: 39,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.92 : 72,422.94 = 28,608.10 : x
  2. Step 2: Convert to fraction form
    52,481.92/72,422.94 = 28,608.10/x
  3. Step 3: Cross multiply
    52,481.92x = 72,422.94 × 28,608.10
  4. Step 4: Simplify right side
    52,481.92x = 2,071,882,709.81
  5. Step 5: Solve for x
    x = 2,071,882,709.81/52,481.92
  6. Step 6: Final answer
    x = 39,478.03

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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.