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Finding the Fourth Proportional to 51,532.75, 71,099.04 and 28,868.68

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Solution

The fourth proportional to 51,532.75, 71,099.04 and 28,868.68 is: 39,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,532.75 : 71,099.04 = 28,868.68 : x
  2. Step 2: Convert to fraction form
    51,532.75/71,099.04 = 28,868.68/x
  3. Step 3: Cross multiply
    51,532.75x = 71,099.04 × 28,868.68
  4. Step 4: Simplify right side
    51,532.75x = 2,052,535,434.07
  5. Step 5: Solve for x
    x = 2,052,535,434.07/51,532.75
  6. Step 6: Final answer
    x = 39,829.73

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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.