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Finding the Fourth Proportional to 52,806.90, 79,127.01 and 19,481.10

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Solution

The fourth proportional to 52,806.90, 79,127.01 and 19,481.10 is: 29,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806.90 : 79,127.01 = 19,481.10 : x
  2. Step 2: Convert to fraction form
    52,806.90/79,127.01 = 19,481.10/x
  3. Step 3: Cross multiply
    52,806.90x = 79,127.01 × 19,481.10
  4. Step 4: Simplify right side
    52,806.90x = 1,541,481,194.51
  5. Step 5: Solve for x
    x = 1,541,481,194.51/52,806.90
  6. Step 6: Final answer
    x = 29,190.90

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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.