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Finding the Fourth Proportional to 57,852.99, 86,760.88 and 18,400.86

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Solution

The fourth proportional to 57,852.99, 86,760.88 and 18,400.86 is: 27,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,852.99 : 86,760.88 = 18,400.86 : x
  2. Step 2: Convert to fraction form
    57,852.99/86,760.88 = 18,400.86/x
  3. Step 3: Cross multiply
    57,852.99x = 86,760.88 × 18,400.86
  4. Step 4: Simplify right side
    57,852.99x = 1,596,474,760.35
  5. Step 5: Solve for x
    x = 1,596,474,760.35/57,852.99
  6. Step 6: Final answer
    x = 27,595.37

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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.