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Finding the Fourth Proportional to 30,039.54, 41,448.15 and 17,457.54

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Solution

The fourth proportional to 30,039.54, 41,448.15 and 17,457.54 is: 24,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.54 : 41,448.15 = 17,457.54 : x
  2. Step 2: Convert to fraction form
    30,039.54/41,448.15 = 17,457.54/x
  3. Step 3: Cross multiply
    30,039.54x = 41,448.15 × 17,457.54
  4. Step 4: Simplify right side
    30,039.54x = 723,582,736.55
  5. Step 5: Solve for x
    x = 723,582,736.55/30,039.54
  6. Step 6: Final answer
    x = 24,087.68

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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.