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Finding the Fourth Proportional to 16,380,964.80, 24,571,447.20 and 5,596,649.10

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Solution

The fourth proportional to 16,380,964.80, 24,571,447.20 and 5,596,649.10 is: 8,394,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380,964.80 : 24,571,447.20 = 5,596,649.10 : x
  2. Step 2: Convert to fraction form
    16,380,964.80/24,571,447.20 = 5,596,649.10/x
  3. Step 3: Cross multiply
    16,380,964.80x = 24,571,447.20 × 5,596,649.10
  4. Step 4: Simplify right side
    16,380,964.80x = 137,517,767,857,577.50
  5. Step 5: Solve for x
    x = 137,517,767,857,577.50/16,380,964.80
  6. Step 6: Final answer
    x = 8,394,973.65

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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.