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Finding the Fourth Proportional to 5,703,824.21, 8,555,750.89 and 1,443,992.90

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Solution

The fourth proportional to 5,703,824.21, 8,555,750.89 and 1,443,992.90 is: 2,165,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703,824.21 : 8,555,750.89 = 1,443,992.90 : x
  2. Step 2: Convert to fraction form
    5,703,824.21/8,555,750.89 = 1,443,992.90/x
  3. Step 3: Cross multiply
    5,703,824.21x = 8,555,750.89 × 1,443,992.90
  4. Step 4: Simplify right side
    5,703,824.21x = 12,354,443,492,939.94
  5. Step 5: Solve for x
    x = 12,354,443,492,939.94/5,703,824.21
  6. Step 6: Final answer
    x = 2,165,993.03

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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.