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Finding the Fourth Proportional to 61,936.21, 92,906.07 and 15,189.04

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Solution

The fourth proportional to 61,936.21, 92,906.07 and 15,189.04 is: 22,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.21 : 92,906.07 = 15,189.04 : x
  2. Step 2: Convert to fraction form
    61,936.21/92,906.07 = 15,189.04/x
  3. Step 3: Cross multiply
    61,936.21x = 92,906.07 × 15,189.04
  4. Step 4: Simplify right side
    61,936.21x = 1,411,154,013.47
  5. Step 5: Solve for x
    x = 1,411,154,013.47/61,936.21
  6. Step 6: Final answer
    x = 22,783.99

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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.