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Finding the Fourth Proportional to 5,797,921.72, 8,695,445.54 and 1,959,658.92

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Solution

The fourth proportional to 5,797,921.72, 8,695,445.54 and 1,959,658.92 is: 2,939,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797,921.72 : 8,695,445.54 = 1,959,658.92 : x
  2. Step 2: Convert to fraction form
    5,797,921.72/8,695,445.54 = 1,959,658.92/x
  3. Step 3: Cross multiply
    5,797,921.72x = 8,695,445.54 × 1,959,658.92
  4. Step 4: Simplify right side
    5,797,921.72x = 17,040,107,415,835.21
  5. Step 5: Solve for x
    x = 17,040,107,415,835.21/5,797,921.72
  6. Step 6: Final answer
    x = 2,939,002.67

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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.