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Finding the Fourth Proportional to 63,781.44, 95,676.12 and 19,411.44

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Solution

The fourth proportional to 63,781.44, 95,676.12 and 19,411.44 is: 29,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.44 : 95,676.12 = 19,411.44 : x
  2. Step 2: Convert to fraction form
    63,781.44/95,676.12 = 19,411.44/x
  3. Step 3: Cross multiply
    63,781.44x = 95,676.12 × 19,411.44
  4. Step 4: Simplify right side
    63,781.44x = 1,857,211,262.81
  5. Step 5: Solve for x
    x = 1,857,211,262.81/63,781.44
  6. Step 6: Final answer
    x = 29,118.37

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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.