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Finding the Fourth Proportional to 12,602.62, 18,883.77 and 10,747.90

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Solution

The fourth proportional to 12,602.62, 18,883.77 and 10,747.90 is: 16,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.62 : 18,883.77 = 10,747.90 : x
  2. Step 2: Convert to fraction form
    12,602.62/18,883.77 = 10,747.90/x
  3. Step 3: Cross multiply
    12,602.62x = 18,883.77 × 10,747.90
  4. Step 4: Simplify right side
    12,602.62x = 202,960,871.58
  5. Step 5: Solve for x
    x = 202,960,871.58/12,602.62
  6. Step 6: Final answer
    x = 16,104.66

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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.