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Finding the Fourth Proportional to 27,164,559.80, 40,794,078.90 and 14,409,975.80

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Solution

The fourth proportional to 27,164,559.80, 40,794,078.90 and 14,409,975.80 is: 21,640,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164,559.80 : 40,794,078.90 = 14,409,975.80 : x
  2. Step 2: Convert to fraction form
    27,164,559.80/40,794,078.90 = 14,409,975.80/x
  3. Step 3: Cross multiply
    27,164,559.80x = 40,794,078.90 × 14,409,975.80
  4. Step 4: Simplify right side
    27,164,559.80x = 587,841,689,732,290.62
  5. Step 5: Solve for x
    x = 587,841,689,732,290.62/27,164,559.80
  6. Step 6: Final answer
    x = 21,640,022.66

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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.