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Finding the Fourth Proportional to 62,969.56, 86,898.12 and 34,675.30

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Solution

The fourth proportional to 62,969.56, 86,898.12 and 34,675.30 is: 47,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.56 : 86,898.12 = 34,675.30 : x
  2. Step 2: Convert to fraction form
    62,969.56/86,898.12 = 34,675.30/x
  3. Step 3: Cross multiply
    62,969.56x = 86,898.12 × 34,675.30
  4. Step 4: Simplify right side
    62,969.56x = 3,013,218,380.44
  5. Step 5: Solve for x
    x = 3,013,218,380.44/62,969.56
  6. Step 6: Final answer
    x = 47,851.98

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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.