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Finding the Fourth Proportional to 14,672.73, 20,248.49 and 7,958.34

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Solution

The fourth proportional to 14,672.73, 20,248.49 and 7,958.34 is: 10,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.73 : 20,248.49 = 7,958.34 : x
  2. Step 2: Convert to fraction form
    14,672.73/20,248.49 = 7,958.34/x
  3. Step 3: Cross multiply
    14,672.73x = 20,248.49 × 7,958.34
  4. Step 4: Simplify right side
    14,672.73x = 161,144,343.04
  5. Step 5: Solve for x
    x = 161,144,343.04/14,672.73
  6. Step 6: Final answer
    x = 10,982.58

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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.