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Finding the Fourth Proportional to 63,169.11, 87,169.62 and 34,483.05

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Solution

The fourth proportional to 63,169.11, 87,169.62 and 34,483.05 is: 47,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169.11 : 87,169.62 = 34,483.05 : x
  2. Step 2: Convert to fraction form
    63,169.11/87,169.62 = 34,483.05/x
  3. Step 3: Cross multiply
    63,169.11x = 87,169.62 × 34,483.05
  4. Step 4: Simplify right side
    63,169.11x = 3,005,874,364.94
  5. Step 5: Solve for x
    x = 3,005,874,364.94/63,169.11
  6. Step 6: Final answer
    x = 47,584.56

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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.