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Finding the Fourth Proportional to 5,703,827.72, 8,555,756.14 and 1,443,996.42

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Solution

The fourth proportional to 5,703,827.72, 8,555,756.14 and 1,443,996.42 is: 2,165,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703,827.72 : 8,555,756.14 = 1,443,996.42 : x
  2. Step 2: Convert to fraction form
    5,703,827.72/8,555,756.14 = 1,443,996.42/x
  3. Step 3: Cross multiply
    5,703,827.72x = 8,555,756.14 × 1,443,996.42
  4. Step 4: Simplify right side
    5,703,827.72x = 12,354,481,236,553.02
  5. Step 5: Solve for x
    x = 12,354,481,236,553.02/5,703,827.72
  6. Step 6: Final answer
    x = 2,165,998.32

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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.