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Finding the Fourth Proportional to 19,676.31, 29,523.20 and 10,314.11

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Solution

The fourth proportional to 19,676.31, 29,523.20 and 10,314.11 is: 15,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.31 : 29,523.20 = 10,314.11 : x
  2. Step 2: Convert to fraction form
    19,676.31/29,523.20 = 10,314.11/x
  3. Step 3: Cross multiply
    19,676.31x = 29,523.20 × 10,314.11
  4. Step 4: Simplify right side
    19,676.31x = 304,505,333.17
  5. Step 5: Solve for x
    x = 304,505,333.17/19,676.31
  6. Step 6: Final answer
    x = 15,475.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.