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Finding the Fourth Proportional to 61,425.60, 92,320.17 and 50,963.49

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Solution

The fourth proportional to 61,425.60, 92,320.17 and 50,963.49 is: 76,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,425.60 : 92,320.17 = 50,963.49 : x
  2. Step 2: Convert to fraction form
    61,425.60/92,320.17 = 50,963.49/x
  3. Step 3: Cross multiply
    61,425.60x = 92,320.17 × 50,963.49
  4. Step 4: Simplify right side
    61,425.60x = 4,704,958,060.59
  5. Step 5: Solve for x
    x = 4,704,958,060.59/61,425.60
  6. Step 6: Final answer
    x = 76,596.05

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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.