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Finding the Fourth Proportional to 57,400.87, 86,101.19 and 15,847.75

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Solution

The fourth proportional to 57,400.87, 86,101.19 and 15,847.75 is: 23,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.87 : 86,101.19 = 15,847.75 : x
  2. Step 2: Convert to fraction form
    57,400.87/86,101.19 = 15,847.75/x
  3. Step 3: Cross multiply
    57,400.87x = 86,101.19 × 15,847.75
  4. Step 4: Simplify right side
    57,400.87x = 1,364,510,054.58
  5. Step 5: Solve for x
    x = 1,364,510,054.58/57,400.87
  6. Step 6: Final answer
    x = 23,771.59

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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.