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Finding the Fourth Proportional to 25,880.55, 35,710.80 and 14,548.56

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Solution

The fourth proportional to 25,880.55, 35,710.80 and 14,548.56 is: 20,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.55 : 35,710.80 = 14,548.56 : x
  2. Step 2: Convert to fraction form
    25,880.55/35,710.80 = 14,548.56/x
  3. Step 3: Cross multiply
    25,880.55x = 35,710.80 × 14,548.56
  4. Step 4: Simplify right side
    25,880.55x = 519,540,716.45
  5. Step 5: Solve for x
    x = 519,540,716.45/25,880.55
  6. Step 6: Final answer
    x = 20,074.56

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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.