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Finding the Fourth Proportional to 8,796,636.70, 13,194,955.05 and 7,308,601.90

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Solution

The fourth proportional to 8,796,636.70, 13,194,955.05 and 7,308,601.90 is: 10,962,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,636.70 : 13,194,955.05 = 7,308,601.90 : x
  2. Step 2: Convert to fraction form
    8,796,636.70/13,194,955.05 = 7,308,601.90/x
  3. Step 3: Cross multiply
    8,796,636.70x = 13,194,955.05 × 7,308,601.90
  4. Step 4: Simplify right side
    8,796,636.70x = 96,436,673,548,844.61
  5. Step 5: Solve for x
    x = 96,436,673,548,844.61/8,796,636.70
  6. Step 6: Final answer
    x = 10,962,902.85

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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.