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Finding the Fourth Proportional to 8,672,171.58, 11,965,027.59 and 5,233,002.30

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Solution

The fourth proportional to 8,672,171.58, 11,965,027.59 and 5,233,002.30 is: 7,219,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,171.58 : 11,965,027.59 = 5,233,002.30 : x
  2. Step 2: Convert to fraction form
    8,672,171.58/11,965,027.59 = 5,233,002.30/x
  3. Step 3: Cross multiply
    8,672,171.58x = 11,965,027.59 × 5,233,002.30
  4. Step 4: Simplify right side
    8,672,171.58x = 62,613,016,898,033.45
  5. Step 5: Solve for x
    x = 62,613,016,898,033.45/8,672,171.58
  6. Step 6: Final answer
    x = 7,219,992.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.