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Finding the Fourth Proportional to 65,796.95, 98,694.50 and 15,876.63

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Solution

The fourth proportional to 65,796.95, 98,694.50 and 15,876.63 is: 23,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,796.95 : 98,694.50 = 15,876.63 : x
  2. Step 2: Convert to fraction form
    65,796.95/98,694.50 = 15,876.63/x
  3. Step 3: Cross multiply
    65,796.95x = 98,694.50 × 15,876.63
  4. Step 4: Simplify right side
    65,796.95x = 1,566,936,099.23
  5. Step 5: Solve for x
    x = 1,566,936,099.23/65,796.95
  6. Step 6: Final answer
    x = 23,814.72

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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.