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Finding the Fourth Proportional to 65,892.10, 98,801.70 and 26,404.60

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Solution

The fourth proportional to 65,892.10, 98,801.70 and 26,404.60 is: 39,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,892.10 : 98,801.70 = 26,404.60 : x
  2. Step 2: Convert to fraction form
    65,892.10/98,801.70 = 26,404.60/x
  3. Step 3: Cross multiply
    65,892.10x = 98,801.70 × 26,404.60
  4. Step 4: Simplify right side
    65,892.10x = 2,608,819,367.82
  5. Step 5: Solve for x
    x = 2,608,819,367.82/65,892.10
  6. Step 6: Final answer
    x = 39,592.29

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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.