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Finding the Fourth Proportional to 11,888,558.71, 17,807,215.64 and 8,029,158.71

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Solution

The fourth proportional to 11,888,558.71, 17,807,215.64 and 8,029,158.71 is: 12,026,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888,558.71 : 17,807,215.64 = 8,029,158.71 : x
  2. Step 2: Convert to fraction form
    11,888,558.71/17,807,215.64 = 8,029,158.71/x
  3. Step 3: Cross multiply
    11,888,558.71x = 17,807,215.64 × 8,029,158.71
  4. Step 4: Simplify right side
    11,888,558.71x = 142,976,960,427,572.38
  5. Step 5: Solve for x
    x = 142,976,960,427,572.38/11,888,558.71
  6. Step 6: Final answer
    x = 12,026,433.48

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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.