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Finding the Fourth Proportional to 27,855,256.80, 41,747,455.80 and 13,447,300.80

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Solution

The fourth proportional to 27,855,256.80, 41,747,455.80 and 13,447,300.80 is: 20,153,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855,256.80 : 41,747,455.80 = 13,447,300.80 : x
  2. Step 2: Convert to fraction form
    27,855,256.80/41,747,455.80 = 13,447,300.80/x
  3. Step 3: Cross multiply
    27,855,256.80x = 41,747,455.80 × 13,447,300.80
  4. Step 4: Simplify right side
    27,855,256.80x = 561,390,595,777,304.62
  5. Step 5: Solve for x
    x = 561,390,595,777,304.62/27,855,256.80
  6. Step 6: Final answer
    x = 20,153,847.43

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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.