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Finding the Fourth Proportional to 16,776.48, 25,164.74 and 7,885.29

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Solution

The fourth proportional to 16,776.48, 25,164.74 and 7,885.29 is: 11,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.48 : 25,164.74 = 7,885.29 : x
  2. Step 2: Convert to fraction form
    16,776.48/25,164.74 = 7,885.29/x
  3. Step 3: Cross multiply
    16,776.48x = 25,164.74 × 7,885.29
  4. Step 4: Simplify right side
    16,776.48x = 198,431,272.67
  5. Step 5: Solve for x
    x = 198,431,272.67/16,776.48
  6. Step 6: Final answer
    x = 11,827.94

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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.