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Finding the Fourth Proportional to 16,643,993.40, 24,965,990.10 and 11,600,998.20

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Solution

The fourth proportional to 16,643,993.40, 24,965,990.10 and 11,600,998.20 is: 17,401,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643,993.40 : 24,965,990.10 = 11,600,998.20 : x
  2. Step 2: Convert to fraction form
    16,643,993.40/24,965,990.10 = 11,600,998.20/x
  3. Step 3: Cross multiply
    16,643,993.40x = 24,965,990.10 × 11,600,998.20
  4. Step 4: Simplify right side
    16,643,993.40x = 289,630,406,211,317.81
  5. Step 5: Solve for x
    x = 289,630,406,211,317.81/16,643,993.40
  6. Step 6: Final answer
    x = 17,401,497.30

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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.