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Finding the Fourth Proportional to 65,732.46, 98,601.87 and 18,347.46

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Solution

The fourth proportional to 65,732.46, 98,601.87 and 18,347.46 is: 27,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,732.46 : 98,601.87 = 18,347.46 : x
  2. Step 2: Convert to fraction form
    65,732.46/98,601.87 = 18,347.46/x
  3. Step 3: Cross multiply
    65,732.46x = 98,601.87 × 18,347.46
  4. Step 4: Simplify right side
    65,732.46x = 1,809,093,865.75
  5. Step 5: Solve for x
    x = 1,809,093,865.75/65,732.46
  6. Step 6: Final answer
    x = 27,522.08

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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.