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Finding the Fourth Proportional to 10,998.92, 16,494.91 and 3,601.68

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Solution

The fourth proportional to 10,998.92, 16,494.91 and 3,601.68 is: 5,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.92 : 16,494.91 = 3,601.68 : x
  2. Step 2: Convert to fraction form
    10,998.92/16,494.91 = 3,601.68/x
  3. Step 3: Cross multiply
    10,998.92x = 16,494.91 × 3,601.68
  4. Step 4: Simplify right side
    10,998.92x = 59,409,387.45
  5. Step 5: Solve for x
    x = 59,409,387.45/10,998.92
  6. Step 6: Final answer
    x = 5,401.38

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1.5x scale

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.