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Finding the Fourth Proportional to 71,576.46, 98,773.56 and 39,744.54

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Solution

The fourth proportional to 71,576.46, 98,773.56 and 39,744.54 is: 54,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,576.46 : 98,773.56 = 39,744.54 : x
  2. Step 2: Convert to fraction form
    71,576.46/98,773.56 = 39,744.54/x
  3. Step 3: Cross multiply
    71,576.46x = 98,773.56 × 39,744.54
  4. Step 4: Simplify right side
    71,576.46x = 3,925,709,706.36
  5. Step 5: Solve for x
    x = 3,925,709,706.36/71,576.46
  6. Step 6: Final answer
    x = 54,846.38

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1.5x scale

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.