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Finding the Fourth Proportional to 50,093.64, 75,140.46 and 20,525.40

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Solution

The fourth proportional to 50,093.64, 75,140.46 and 20,525.40 is: 30,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,093.64 : 75,140.46 = 20,525.40 : x
  2. Step 2: Convert to fraction form
    50,093.64/75,140.46 = 20,525.40/x
  3. Step 3: Cross multiply
    50,093.64x = 75,140.46 × 20,525.40
  4. Step 4: Simplify right side
    50,093.64x = 1,542,287,997.68
  5. Step 5: Solve for x
    x = 1,542,287,997.68/50,093.64
  6. Step 6: Final answer
    x = 30,788.10

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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.