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Finding the Fourth Proportional to 36,685,087.80, 55,027,631.70 and 36,685,087.80

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Solution

The fourth proportional to 36,685,087.80, 55,027,631.70 and 36,685,087.80 is: 55,027,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685,087.80 : 55,027,631.70 = 36,685,087.80 : x
  2. Step 2: Convert to fraction form
    36,685,087.80/55,027,631.70 = 36,685,087.80/x
  3. Step 3: Cross multiply
    36,685,087.80x = 55,027,631.70 × 36,685,087.80
  4. Step 4: Simplify right side
    36,685,087.80x = 2,018,693,500,340,563.25
  5. Step 5: Solve for x
    x = 2,018,693,500,340,563.25/36,685,087.80
  6. Step 6: Final answer
    x = 55,027,631.70

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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.