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Finding the Fourth Proportional to 65,992.67, 98,987.95 and 16,072.68

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Solution

The fourth proportional to 65,992.67, 98,987.95 and 16,072.68 is: 24,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,992.67 : 98,987.95 = 16,072.68 : x
  2. Step 2: Convert to fraction form
    65,992.67/98,987.95 = 16,072.68/x
  3. Step 3: Cross multiply
    65,992.67x = 98,987.95 × 16,072.68
  4. Step 4: Simplify right side
    65,992.67x = 1,591,001,644.21
  5. Step 5: Solve for x
    x = 1,591,001,644.21/65,992.67
  6. Step 6: Final answer
    x = 24,108.76

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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.