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Finding the Fourth Proportional to 47,969.62, 71,860.93 and 29,203.11

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Solution

The fourth proportional to 47,969.62, 71,860.93 and 29,203.11 is: 43,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969.62 : 71,860.93 = 29,203.11 : x
  2. Step 2: Convert to fraction form
    47,969.62/71,860.93 = 29,203.11/x
  3. Step 3: Cross multiply
    47,969.62x = 71,860.93 × 29,203.11
  4. Step 4: Simplify right side
    47,969.62x = 2,098,562,839.96
  5. Step 5: Solve for x
    x = 2,098,562,839.96/47,969.62
  6. Step 6: Final answer
    x = 43,747.75

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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.