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Finding the Fourth Proportional to 65,992.43, 98,992.51 and 25,466.15

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Solution

The fourth proportional to 65,992.43, 98,992.51 and 25,466.15 is: 38,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,992.43 : 98,992.51 = 25,466.15 : x
  2. Step 2: Convert to fraction form
    65,992.43/98,992.51 = 25,466.15/x
  3. Step 3: Cross multiply
    65,992.43x = 98,992.51 × 25,466.15
  4. Step 4: Simplify right side
    65,992.43x = 2,520,958,292.35
  5. Step 5: Solve for x
    x = 2,520,958,292.35/65,992.43
  6. Step 6: Final answer
    x = 38,200.72

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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.