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Finding the Fourth Proportional to 24,678.66, 34,015.77 and 18,388.74

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Solution

The fourth proportional to 24,678.66, 34,015.77 and 18,388.74 is: 25,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,678.66 : 34,015.77 = 18,388.74 : x
  2. Step 2: Convert to fraction form
    24,678.66/34,015.77 = 18,388.74/x
  3. Step 3: Cross multiply
    24,678.66x = 34,015.77 × 18,388.74
  4. Step 4: Simplify right side
    24,678.66x = 625,507,150.43
  5. Step 5: Solve for x
    x = 625,507,150.43/24,678.66
  6. Step 6: Final answer
    x = 25,346.07

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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.