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Finding the Fourth Proportional to 22,889,849.55, 34,329,447.72 and 8,519,684.91

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Solution

The fourth proportional to 22,889,849.55, 34,329,447.72 and 8,519,684.91 is: 12,777,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889,849.55 : 34,329,447.72 = 8,519,684.91 : x
  2. Step 2: Convert to fraction form
    22,889,849.55/34,329,447.72 = 8,519,684.91/x
  3. Step 3: Cross multiply
    22,889,849.55x = 34,329,447.72 × 8,519,684.91
  4. Step 4: Simplify right side
    22,889,849.55x = 292,476,077,708,717.88
  5. Step 5: Solve for x
    x = 292,476,077,708,717.88/22,889,849.55
  6. Step 6: Final answer
    x = 12,777,544.78

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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.