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Finding the Fourth Proportional to 11,250.56, 16,877.76 and 3,457.92

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Solution

The fourth proportional to 11,250.56, 16,877.76 and 3,457.92 is: 5,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.56 : 16,877.76 = 3,457.92 : x
  2. Step 2: Convert to fraction form
    11,250.56/16,877.76 = 3,457.92/x
  3. Step 3: Cross multiply
    11,250.56x = 16,877.76 × 3,457.92
  4. Step 4: Simplify right side
    11,250.56x = 58,361,943.86
  5. Step 5: Solve for x
    x = 58,361,943.86/11,250.56
  6. Step 6: Final answer
    x = 5,187.47

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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.