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Finding the Fourth Proportional to 21,512.26, 32,270.04 and 5,929.78

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Solution

The fourth proportional to 21,512.26, 32,270.04 and 5,929.78 is: 8,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.26 : 32,270.04 = 5,929.78 : x
  2. Step 2: Convert to fraction form
    21,512.26/32,270.04 = 5,929.78/x
  3. Step 3: Cross multiply
    21,512.26x = 32,270.04 × 5,929.78
  4. Step 4: Simplify right side
    21,512.26x = 191,354,237.79
  5. Step 5: Solve for x
    x = 191,354,237.79/21,512.26
  6. Step 6: Final answer
    x = 8,895.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.