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Finding the Fourth Proportional to 26,608,987.90, 39,913,481.86 and 26,608,987.90

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Solution

The fourth proportional to 26,608,987.90, 39,913,481.86 and 26,608,987.90 is: 39,913,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608,987.90 : 39,913,481.86 = 26,608,987.90 : x
  2. Step 2: Convert to fraction form
    26,608,987.90/39,913,481.86 = 26,608,987.90/x
  3. Step 3: Cross multiply
    26,608,987.90x = 39,913,481.86 × 26,608,987.90
  4. Step 4: Simplify right side
    26,608,987.90x = 1,062,057,355,859,609.38
  5. Step 5: Solve for x
    x = 1,062,057,355,859,609.38/26,608,987.90
  6. Step 6: Final answer
    x = 39,913,481.86

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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.