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Finding the Fourth Proportional to 63,194.94, 87,209.07 and 34,515

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Solution

The fourth proportional to 63,194.94, 87,209.07 and 34,515 is: 47,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,194.94 : 87,209.07 = 34,515 : x
  2. Step 2: Convert to fraction form
    63,194.94/87,209.07 = 34,515/x
  3. Step 3: Cross multiply
    63,194.94x = 87,209.07 × 34,515
  4. Step 4: Simplify right side
    63,194.94x = 3,010,021,051.05
  5. Step 5: Solve for x
    x = 3,010,021,051.05/63,194.94
  6. Step 6: Final answer
    x = 47,630.73

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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.