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Finding the Fourth Proportional to 12,276.56, 16,941.96 and 7,563.92

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Solution

The fourth proportional to 12,276.56, 16,941.96 and 7,563.92 is: 10,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.56 : 16,941.96 = 7,563.92 : x
  2. Step 2: Convert to fraction form
    12,276.56/16,941.96 = 7,563.92/x
  3. Step 3: Cross multiply
    12,276.56x = 16,941.96 × 7,563.92
  4. Step 4: Simplify right side
    12,276.56x = 128,147,630.08
  5. Step 5: Solve for x
    x = 128,147,630.08/12,276.56
  6. Step 6: Final answer
    x = 10,438.40

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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.