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Finding the Fourth Proportional to 25,459.77, 38,189.61 and 14,361.42

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Solution

The fourth proportional to 25,459.77, 38,189.61 and 14,361.42 is: 21,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.77 : 38,189.61 = 14,361.42 : x
  2. Step 2: Convert to fraction form
    25,459.77/38,189.61 = 14,361.42/x
  3. Step 3: Cross multiply
    25,459.77x = 38,189.61 × 14,361.42
  4. Step 4: Simplify right side
    25,459.77x = 548,457,028.85
  5. Step 5: Solve for x
    x = 548,457,028.85/25,459.77
  6. Step 6: Final answer
    x = 21,542.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.