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Finding the Fourth Proportional to 65,898, 98,836.52 and 21,524.40

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Solution

The fourth proportional to 65,898, 98,836.52 and 21,524.40 is: 32,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898 : 98,836.52 = 21,524.40 : x
  2. Step 2: Convert to fraction form
    65,898/98,836.52 = 21,524.40/x
  3. Step 3: Cross multiply
    65,898x = 98,836.52 × 21,524.40
  4. Step 4: Simplify right side
    65,898x = 2,127,396,791.09
  5. Step 5: Solve for x
    x = 2,127,396,791.09/65,898
  6. Step 6: Final answer
    x = 32,283.18

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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.