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Finding the Fourth Proportional to 7,883,910.40, 11,825,865.60 and 7,883,910.40

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Solution

The fourth proportional to 7,883,910.40, 11,825,865.60 and 7,883,910.40 is: 11,825,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,910.40 : 11,825,865.60 = 7,883,910.40 : x
  2. Step 2: Convert to fraction form
    7,883,910.40/11,825,865.60 = 7,883,910.40/x
  3. Step 3: Cross multiply
    7,883,910.40x = 11,825,865.60 × 7,883,910.40
  4. Step 4: Simplify right side
    7,883,910.40x = 93,234,064,792,842.23
  5. Step 5: Solve for x
    x = 93,234,064,792,842.23/7,883,910.40
  6. Step 6: Final answer
    x = 11,825,865.60

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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.