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Finding the Fourth Proportional to 57,992.85, 86,988.02 and 18,549.84

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Solution

The fourth proportional to 57,992.85, 86,988.02 and 18,549.84 is: 27,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,992.85 : 86,988.02 = 18,549.84 : x
  2. Step 2: Convert to fraction form
    57,992.85/86,988.02 = 18,549.84/x
  3. Step 3: Cross multiply
    57,992.85x = 86,988.02 × 18,549.84
  4. Step 4: Simplify right side
    57,992.85x = 1,613,614,086.37
  5. Step 5: Solve for x
    x = 1,613,614,086.37/57,992.85
  6. Step 6: Final answer
    x = 27,824.36

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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.