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Finding the Fourth Proportional to 63,534.50, 95,299 and 21,411.80

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Solution

The fourth proportional to 63,534.50, 95,299 and 21,411.80 is: 32,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,534.50 : 95,299 = 21,411.80 : x
  2. Step 2: Convert to fraction form
    63,534.50/95,299 = 21,411.80/x
  3. Step 3: Cross multiply
    63,534.50x = 95,299 × 21,411.80
  4. Step 4: Simplify right side
    63,534.50x = 2,040,523,128.20
  5. Step 5: Solve for x
    x = 2,040,523,128.20/63,534.50
  6. Step 6: Final answer
    x = 32,116.77

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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.