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Finding the Fourth Proportional to 61,492.62, 92,251.89 and 19,936.38

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Solution

The fourth proportional to 61,492.62, 92,251.89 and 19,936.38 is: 29,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.62 : 92,251.89 = 19,936.38 : x
  2. Step 2: Convert to fraction form
    61,492.62/92,251.89 = 19,936.38/x
  3. Step 3: Cross multiply
    61,492.62x = 92,251.89 × 19,936.38
  4. Step 4: Simplify right side
    61,492.62x = 1,839,168,734.76
  5. Step 5: Solve for x
    x = 1,839,168,734.76/61,492.62
  6. Step 6: Final answer
    x = 29,908.77

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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.