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Finding the Fourth Proportional to 57,385.68, 86,107.68 and 26,216.88

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Solution

The fourth proportional to 57,385.68, 86,107.68 and 26,216.88 is: 39,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.68 : 86,107.68 = 26,216.88 : x
  2. Step 2: Convert to fraction form
    57,385.68/86,107.68 = 26,216.88/x
  3. Step 3: Cross multiply
    57,385.68x = 86,107.68 × 26,216.88
  4. Step 4: Simplify right side
    57,385.68x = 2,257,474,713.64
  5. Step 5: Solve for x
    x = 2,257,474,713.64/57,385.68
  6. Step 6: Final answer
    x = 39,338.64

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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.