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Finding the Fourth Proportional to 63,491.72, 87,614.16 and 35,195

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Solution

The fourth proportional to 63,491.72, 87,614.16 and 35,195 is: 48,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,491.72 : 87,614.16 = 35,195 : x
  2. Step 2: Convert to fraction form
    63,491.72/87,614.16 = 35,195/x
  3. Step 3: Cross multiply
    63,491.72x = 87,614.16 × 35,195
  4. Step 4: Simplify right side
    63,491.72x = 3,083,580,361.20
  5. Step 5: Solve for x
    x = 3,083,580,361.20/63,491.72
  6. Step 6: Final answer
    x = 48,566.65

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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.