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Finding the Fourth Proportional to 61,066.98, 91,623.54 and 23,629.31

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Solution

The fourth proportional to 61,066.98, 91,623.54 and 23,629.31 is: 35,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,066.98 : 91,623.54 = 23,629.31 : x
  2. Step 2: Convert to fraction form
    61,066.98/91,623.54 = 23,629.31/x
  3. Step 3: Cross multiply
    61,066.98x = 91,623.54 × 23,629.31
  4. Step 4: Simplify right side
    61,066.98x = 2,165,000,571.84
  5. Step 5: Solve for x
    x = 2,165,000,571.84/61,066.98
  6. Step 6: Final answer
    x = 35,452.88

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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.