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Finding the Fourth Proportional to 65,767.50, 98,652.17 and 21,394.49

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Solution

The fourth proportional to 65,767.50, 98,652.17 and 21,394.49 is: 32,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.50 : 98,652.17 = 21,394.49 : x
  2. Step 2: Convert to fraction form
    65,767.50/98,652.17 = 21,394.49/x
  3. Step 3: Cross multiply
    65,767.50x = 98,652.17 × 21,394.49
  4. Step 4: Simplify right side
    65,767.50x = 2,110,612,510.94
  5. Step 5: Solve for x
    x = 2,110,612,510.94/65,767.50
  6. Step 6: Final answer
    x = 32,092.03

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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.