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Finding the Fourth Proportional to 10,997.92, 16,499.68 and 3,602.88

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Solution

The fourth proportional to 10,997.92, 16,499.68 and 3,602.88 is: 5,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.92 : 16,499.68 = 3,602.88 : x
  2. Step 2: Convert to fraction form
    10,997.92/16,499.68 = 3,602.88/x
  3. Step 3: Cross multiply
    10,997.92x = 16,499.68 × 3,602.88
  4. Step 4: Simplify right side
    10,997.92x = 59,446,367.08
  5. Step 5: Solve for x
    x = 59,446,367.08/10,997.92
  6. Step 6: Final answer
    x = 5,405.24

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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.