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Finding the Fourth Proportional to 59,142, 81,629.82 and 39,002.52

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Solution

The fourth proportional to 59,142, 81,629.82 and 39,002.52 is: 53,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,142 : 81,629.82 = 39,002.52 : x
  2. Step 2: Convert to fraction form
    59,142/81,629.82 = 39,002.52/x
  3. Step 3: Cross multiply
    59,142x = 81,629.82 × 39,002.52
  4. Step 4: Simplify right side
    59,142x = 3,183,768,687.15
  5. Step 5: Solve for x
    x = 3,183,768,687.15/59,142
  6. Step 6: Final answer
    x = 53,832.62

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