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Finding the Fourth Proportional to 61,169.00, 84,579.73 and 53,295.80

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Solution

The fourth proportional to 61,169.00, 84,579.73 and 53,295.80 is: 73,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.00 : 84,579.73 = 53,295.80 : x
  2. Step 2: Convert to fraction form
    61,169.00/84,579.73 = 53,295.80/x
  3. Step 3: Cross multiply
    61,169.00x = 84,579.73 × 53,295.80
  4. Step 4: Simplify right side
    61,169.00x = 4,507,744,452.34
  5. Step 5: Solve for x
    x = 4,507,744,452.34/61,169.00
  6. Step 6: Final answer
    x = 73,693.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.