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Finding the Fourth Proportional to 65,763.21, 98,669.67 and 39,486.27

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Solution

The fourth proportional to 65,763.21, 98,669.67 and 39,486.27 is: 59,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,763.21 : 98,669.67 = 39,486.27 : x
  2. Step 2: Convert to fraction form
    65,763.21/98,669.67 = 39,486.27/x
  3. Step 3: Cross multiply
    65,763.21x = 98,669.67 × 39,486.27
  4. Step 4: Simplify right side
    65,763.21x = 3,896,097,230.43
  5. Step 5: Solve for x
    x = 3,896,097,230.43/65,763.21
  6. Step 6: Final answer
    x = 59,244.33

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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.