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Finding the Fourth Proportional to 62,694.21, 86,518.02 and 35,837.30

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Solution

The fourth proportional to 62,694.21, 86,518.02 and 35,837.30 is: 49,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694.21 : 86,518.02 = 35,837.30 : x
  2. Step 2: Convert to fraction form
    62,694.21/86,518.02 = 35,837.30/x
  3. Step 3: Cross multiply
    62,694.21x = 86,518.02 × 35,837.30
  4. Step 4: Simplify right side
    62,694.21x = 3,100,572,058.96
  5. Step 5: Solve for x
    x = 3,100,572,058.96/62,694.21
  6. Step 6: Final answer
    x = 49,455.48

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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.