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Finding the Fourth Proportional to 61,373.88, 92,057.04 and 21,929.04

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Solution

The fourth proportional to 61,373.88, 92,057.04 and 21,929.04 is: 32,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,373.88 : 92,057.04 = 21,929.04 : x
  2. Step 2: Convert to fraction form
    61,373.88/92,057.04 = 21,929.04/x
  3. Step 3: Cross multiply
    61,373.88x = 92,057.04 × 21,929.04
  4. Step 4: Simplify right side
    61,373.88x = 2,018,722,512.44
  5. Step 5: Solve for x
    x = 2,018,722,512.44/61,373.88
  6. Step 6: Final answer
    x = 32,892.21

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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.