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Finding the Fourth Proportional to 61,022.25, 91,535.04 and 19,469.25

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Solution

The fourth proportional to 61,022.25, 91,535.04 and 19,469.25 is: 29,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,022.25 : 91,535.04 = 19,469.25 : x
  2. Step 2: Convert to fraction form
    61,022.25/91,535.04 = 19,469.25/x
  3. Step 3: Cross multiply
    61,022.25x = 91,535.04 × 19,469.25
  4. Step 4: Simplify right side
    61,022.25x = 1,782,118,577.52
  5. Step 5: Solve for x
    x = 1,782,118,577.52/61,022.25
  6. Step 6: Final answer
    x = 29,204.41

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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.