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Finding the Fourth Proportional to 57,467.96, 86,201.07 and 25,855.70

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Solution

The fourth proportional to 57,467.96, 86,201.07 and 25,855.70 is: 38,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,467.96 : 86,201.07 = 25,855.70 : x
  2. Step 2: Convert to fraction form
    57,467.96/86,201.07 = 25,855.70/x
  3. Step 3: Cross multiply
    57,467.96x = 86,201.07 × 25,855.70
  4. Step 4: Simplify right side
    57,467.96x = 2,228,788,574.59
  5. Step 5: Solve for x
    x = 2,228,788,574.59/57,467.96
  6. Step 6: Final answer
    x = 38,783.15

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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.