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Finding the Fourth Proportional to 65,893.16, 98,692.09 and 39,543.46

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Solution

The fourth proportional to 65,893.16, 98,692.09 and 39,543.46 is: 59,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,893.16 : 98,692.09 = 39,543.46 : x
  2. Step 2: Convert to fraction form
    65,893.16/98,692.09 = 39,543.46/x
  3. Step 3: Cross multiply
    65,893.16x = 98,692.09 × 39,543.46
  4. Step 4: Simplify right side
    65,893.16x = 3,902,626,367.64
  5. Step 5: Solve for x
    x = 3,902,626,367.64/65,893.16
  6. Step 6: Final answer
    x = 59,226.58

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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.