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Finding the Fourth Proportional to 14,945, 20,624.10 and 8,661.02

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Solution

The fourth proportional to 14,945, 20,624.10 and 8,661.02 is: 11,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945 : 20,624.10 = 8,661.02 : x
  2. Step 2: Convert to fraction form
    14,945/20,624.10 = 8,661.02/x
  3. Step 3: Cross multiply
    14,945x = 20,624.10 × 8,661.02
  4. Step 4: Simplify right side
    14,945x = 178,625,742.58
  5. Step 5: Solve for x
    x = 178,625,742.58/14,945
  6. Step 6: Final answer
    x = 11,952.21

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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.