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Finding the Fourth Proportional to 14,452.82, 19,939.29 and 9,072.97

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Solution

The fourth proportional to 14,452.82, 19,939.29 and 9,072.97 is: 12,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.82 : 19,939.29 = 9,072.97 : x
  2. Step 2: Convert to fraction form
    14,452.82/19,939.29 = 9,072.97/x
  3. Step 3: Cross multiply
    14,452.82x = 19,939.29 × 9,072.97
  4. Step 4: Simplify right side
    14,452.82x = 180,908,661.84
  5. Step 5: Solve for x
    x = 180,908,661.84/14,452.82
  6. Step 6: Final answer
    x = 12,517.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.