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Finding the Fourth Proportional to 8,830,819.80, 13,246,229.70 and 8,830,819.80

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Solution

The fourth proportional to 8,830,819.80, 13,246,229.70 and 8,830,819.80 is: 13,246,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830,819.80 : 13,246,229.70 = 8,830,819.80 : x
  2. Step 2: Convert to fraction form
    8,830,819.80/13,246,229.70 = 8,830,819.80/x
  3. Step 3: Cross multiply
    8,830,819.80x = 13,246,229.70 × 8,830,819.80
  4. Step 4: Simplify right side
    8,830,819.80x = 116,975,067,510,108.06
  5. Step 5: Solve for x
    x = 116,975,067,510,108.06/8,830,819.80
  6. Step 6: Final answer
    x = 13,246,229.70

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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.