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Finding the Fourth Proportional to 8,579,388.11, 12,870,854.84 and 2,514,318.30

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Solution

The fourth proportional to 8,579,388.11, 12,870,854.84 and 2,514,318.30 is: 3,771,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,388.11 : 12,870,854.84 = 2,514,318.30 : x
  2. Step 2: Convert to fraction form
    8,579,388.11/12,870,854.84 = 2,514,318.30/x
  3. Step 3: Cross multiply
    8,579,388.11x = 12,870,854.84 × 2,514,318.30
  4. Step 4: Simplify right side
    8,579,388.11x = 32,361,425,867,141.36
  5. Step 5: Solve for x
    x = 32,361,425,867,141.36/8,579,388.11
  6. Step 6: Final answer
    x = 3,771,996.96

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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.