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Finding the Fourth Proportional to 22,608,021.30, 31,693,745.10 and 22,608,021.30

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Solution

The fourth proportional to 22,608,021.30, 31,693,745.10 and 22,608,021.30 is: 31,693,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608,021.30 : 31,693,745.10 = 22,608,021.30 : x
  2. Step 2: Convert to fraction form
    22,608,021.30/31,693,745.10 = 22,608,021.30/x
  3. Step 3: Cross multiply
    22,608,021.30x = 31,693,745.10 × 22,608,021.30
  4. Step 4: Simplify right side
    22,608,021.30x = 716,532,864,297,570.62
  5. Step 5: Solve for x
    x = 716,532,864,297,570.62/22,608,021.30
  6. Step 6: Final answer
    x = 31,693,745.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.