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Finding the Fourth Proportional to 51,576.75, 71,177.00 and 29,220.75

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Solution

The fourth proportional to 51,576.75, 71,177.00 and 29,220.75 is: 40,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.75 : 71,177.00 = 29,220.75 : x
  2. Step 2: Convert to fraction form
    51,576.75/71,177.00 = 29,220.75/x
  3. Step 3: Cross multiply
    51,576.75x = 71,177.00 × 29,220.75
  4. Step 4: Simplify right side
    51,576.75x = 2,079,845,176.65
  5. Step 5: Solve for x
    x = 2,079,845,176.65/51,576.75
  6. Step 6: Final answer
    x = 40,325.25

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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.