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Finding the Fourth Proportional to 40,655.70, 60,983.10 and 11,073.33

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Solution

The fourth proportional to 40,655.70, 60,983.10 and 11,073.33 is: 16,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,655.70 : 60,983.10 = 11,073.33 : x
  2. Step 2: Convert to fraction form
    40,655.70/60,983.10 = 11,073.33/x
  3. Step 3: Cross multiply
    40,655.70x = 60,983.10 × 11,073.33
  4. Step 4: Simplify right side
    40,655.70x = 675,285,990.72
  5. Step 5: Solve for x
    x = 675,285,990.72/40,655.70
  6. Step 6: Final answer
    x = 16,609.87

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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.