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Finding the Fourth Proportional to 52,093.67, 71,889.60 and 28,220.31

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Solution

The fourth proportional to 52,093.67, 71,889.60 and 28,220.31 is: 38,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,093.67 : 71,889.60 = 28,220.31 : x
  2. Step 2: Convert to fraction form
    52,093.67/71,889.60 = 28,220.31/x
  3. Step 3: Cross multiply
    52,093.67x = 71,889.60 × 28,220.31
  4. Step 4: Simplify right side
    52,093.67x = 2,028,746,797.78
  5. Step 5: Solve for x
    x = 2,028,746,797.78/52,093.67
  6. Step 6: Final answer
    x = 38,944.21

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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.