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Finding the Fourth Proportional to 65,958.57, 98,937.85 and 18,573.64

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Solution

The fourth proportional to 65,958.57, 98,937.85 and 18,573.64 is: 27,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,958.57 : 98,937.85 = 18,573.64 : x
  2. Step 2: Convert to fraction form
    65,958.57/98,937.85 = 18,573.64/x
  3. Step 3: Cross multiply
    65,958.57x = 98,937.85 × 18,573.64
  4. Step 4: Simplify right side
    65,958.57x = 1,837,636,008.27
  5. Step 5: Solve for x
    x = 1,837,636,008.27/65,958.57
  6. Step 6: Final answer
    x = 27,860.46

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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.