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Finding the Fourth Proportional to 65,796.53, 98,693.87 and 15,876.21

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Solution

The fourth proportional to 65,796.53, 98,693.87 and 15,876.21 is: 23,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,796.53 : 98,693.87 = 15,876.21 : x
  2. Step 2: Convert to fraction form
    65,796.53/98,693.87 = 15,876.21/x
  3. Step 3: Cross multiply
    65,796.53x = 98,693.87 × 15,876.21
  4. Step 4: Simplify right side
    65,796.53x = 1,566,884,526.45
  5. Step 5: Solve for x
    x = 1,566,884,526.45/65,796.53
  6. Step 6: Final answer
    x = 23,814.09

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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.