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Finding the Fourth Proportional to 53,871.99, 74,343.42 and 30,003.36

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Solution

The fourth proportional to 53,871.99, 74,343.42 and 30,003.36 is: 41,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.99 : 74,343.42 = 30,003.36 : x
  2. Step 2: Convert to fraction form
    53,871.99/74,343.42 = 30,003.36/x
  3. Step 3: Cross multiply
    53,871.99x = 74,343.42 × 30,003.36
  4. Step 4: Simplify right side
    53,871.99x = 2,230,552,533.29
  5. Step 5: Solve for x
    x = 2,230,552,533.29/53,871.99
  6. Step 6: Final answer
    x = 41,404.68

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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.