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Finding the Fourth Proportional to 28,871.63, 43,309.08 and 8,096.75

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Solution

The fourth proportional to 28,871.63, 43,309.08 and 8,096.75 is: 12,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.63 : 43,309.08 = 8,096.75 : x
  2. Step 2: Convert to fraction form
    28,871.63/43,309.08 = 8,096.75/x
  3. Step 3: Cross multiply
    28,871.63x = 43,309.08 × 8,096.75
  4. Step 4: Simplify right side
    28,871.63x = 350,662,576.94
  5. Step 5: Solve for x
    x = 350,662,576.94/28,871.63
  6. Step 6: Final answer
    x = 12,145.58

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1.5x scale

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.