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Finding the Fourth Proportional to 65,379.80, 97,999.50 and 25,882.04

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Solution

The fourth proportional to 65,379.80, 97,999.50 and 25,882.04 is: 38,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,379.80 : 97,999.50 = 25,882.04 : x
  2. Step 2: Convert to fraction form
    65,379.80/97,999.50 = 25,882.04/x
  3. Step 3: Cross multiply
    65,379.80x = 97,999.50 × 25,882.04
  4. Step 4: Simplify right side
    65,379.80x = 2,536,426,978.98
  5. Step 5: Solve for x
    x = 2,536,426,978.98/65,379.80
  6. Step 6: Final answer
    x = 38,795.27

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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.