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Finding the Fourth Proportional to 11,762.35, 16,232.18 and 6,457.05

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Solution

The fourth proportional to 11,762.35, 16,232.18 and 6,457.05 is: 8,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.35 : 16,232.18 = 6,457.05 : x
  2. Step 2: Convert to fraction form
    11,762.35/16,232.18 = 6,457.05/x
  3. Step 3: Cross multiply
    11,762.35x = 16,232.18 × 6,457.05
  4. Step 4: Simplify right side
    11,762.35x = 104,811,965.58
  5. Step 5: Solve for x
    x = 104,811,965.58/11,762.35
  6. Step 6: Final answer
    x = 8,910.80

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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.