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Finding the Fourth Proportional to 61,504.80, 92,257.20 and 19,951.80

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Solution

The fourth proportional to 61,504.80, 92,257.20 and 19,951.80 is: 29,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,504.80 : 92,257.20 = 19,951.80 : x
  2. Step 2: Convert to fraction form
    61,504.80/92,257.20 = 19,951.80/x
  3. Step 3: Cross multiply
    61,504.80x = 92,257.20 × 19,951.80
  4. Step 4: Simplify right side
    61,504.80x = 1,840,697,202.96
  5. Step 5: Solve for x
    x = 1,840,697,202.96/61,504.80
  6. Step 6: Final answer
    x = 29,927.70

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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.