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Finding the Fourth Proportional to 10,999.92, 16,496.41 and 3,602.68

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Solution

The fourth proportional to 10,999.92, 16,496.41 and 3,602.68 is: 5,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.92 : 16,496.41 = 3,602.68 : x
  2. Step 2: Convert to fraction form
    10,999.92/16,496.41 = 3,602.68/x
  3. Step 3: Cross multiply
    10,999.92x = 16,496.41 × 3,602.68
  4. Step 4: Simplify right side
    10,999.92x = 59,431,286.38
  5. Step 5: Solve for x
    x = 59,431,286.38/10,999.92
  6. Step 6: Final answer
    x = 5,402.88

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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.