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Finding the Fourth Proportional to 84,863.00, 127,294.49 and 21,683.25

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Solution

The fourth proportional to 84,863.00, 127,294.49 and 21,683.25 is: 32,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,863.00 : 127,294.49 = 21,683.25 : x
  2. Step 2: Convert to fraction form
    84,863.00/127,294.49 = 21,683.25/x
  3. Step 3: Cross multiply
    84,863.00x = 127,294.49 × 21,683.25
  4. Step 4: Simplify right side
    84,863.00x = 2,760,158,141.88
  5. Step 5: Solve for x
    x = 2,760,158,141.88/84,863.00
  6. Step 6: Final answer
    x = 32,524.87

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Similar ratio
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1.5x scale

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.