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Finding the Fourth Proportional to 18,359,381.10, 27,541,696.05 and 6,229,404.30

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Solution

The fourth proportional to 18,359,381.10, 27,541,696.05 and 6,229,404.30 is: 9,344,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359,381.10 : 27,541,696.05 = 6,229,404.30 : x
  2. Step 2: Convert to fraction form
    18,359,381.10/27,541,696.05 = 6,229,404.30/x
  3. Step 3: Cross multiply
    18,359,381.10x = 27,541,696.05 × 6,229,404.30
  4. Step 4: Simplify right side
    18,359,381.10x = 171,568,359,803,163
  5. Step 5: Solve for x
    x = 171,568,359,803,163/18,359,381.10
  6. Step 6: Final answer
    x = 9,344,996.92

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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.