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Finding the Fourth Proportional to 45,101.70, 67,658.53 and 16,634.82

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Solution

The fourth proportional to 45,101.70, 67,658.53 and 16,634.82 is: 24,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.70 : 67,658.53 = 16,634.82 : x
  2. Step 2: Convert to fraction form
    45,101.70/67,658.53 = 16,634.82/x
  3. Step 3: Cross multiply
    45,101.70x = 67,658.53 × 16,634.82
  4. Step 4: Simplify right side
    45,101.70x = 1,125,487,468.01
  5. Step 5: Solve for x
    x = 1,125,487,468.01/45,101.70
  6. Step 6: Final answer
    x = 24,954.44

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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.