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Finding the Fourth Proportional to 17,051.27, 25,580.39 and 7,190.55

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Solution

The fourth proportional to 17,051.27, 25,580.39 and 7,190.55 is: 10,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,051.27 : 25,580.39 = 7,190.55 : x
  2. Step 2: Convert to fraction form
    17,051.27/25,580.39 = 7,190.55/x
  3. Step 3: Cross multiply
    17,051.27x = 25,580.39 × 7,190.55
  4. Step 4: Simplify right side
    17,051.27x = 183,937,037.36
  5. Step 5: Solve for x
    x = 183,937,037.36/17,051.27
  6. Step 6: Final answer
    x = 10,787.30

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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.