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Finding the Fourth Proportional to 49,668,460.80, 74,587,708.80 and 26,993,644.80

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Solution

The fourth proportional to 49,668,460.80, 74,587,708.80 and 26,993,644.80 is: 40,536,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668,460.80 : 74,587,708.80 = 26,993,644.80 : x
  2. Step 2: Convert to fraction form
    49,668,460.80/74,587,708.80 = 26,993,644.80/x
  3. Step 3: Cross multiply
    49,668,460.80x = 74,587,708.80 × 26,993,644.80
  4. Step 4: Simplify right side
    49,668,460.80x = 2,013,394,117,793,034.25
  5. Step 5: Solve for x
    x = 2,013,394,117,793,034.25/49,668,460.80
  6. Step 6: Final answer
    x = 40,536,672.27

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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.