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Finding the Fourth Proportional to 34,852,469.80, 52,278,704.70 and 20,482,421.80

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Solution

The fourth proportional to 34,852,469.80, 52,278,704.70 and 20,482,421.80 is: 30,723,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,852,469.80 : 52,278,704.70 = 20,482,421.80 : x
  2. Step 2: Convert to fraction form
    34,852,469.80/52,278,704.70 = 20,482,421.80/x
  3. Step 3: Cross multiply
    34,852,469.80x = 52,278,704.70 × 20,482,421.80
  4. Step 4: Simplify right side
    34,852,469.80x = 1,070,794,480,823,042.50
  5. Step 5: Solve for x
    x = 1,070,794,480,823,042.50/34,852,469.80
  6. Step 6: Final answer
    x = 30,723,632.70

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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.