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Finding the Fourth Proportional to 57,767.30, 86,654.03 and 18,327.45

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Solution

The fourth proportional to 57,767.30, 86,654.03 and 18,327.45 is: 27,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.30 : 86,654.03 = 18,327.45 : x
  2. Step 2: Convert to fraction form
    57,767.30/86,654.03 = 18,327.45/x
  3. Step 3: Cross multiply
    57,767.30x = 86,654.03 × 18,327.45
  4. Step 4: Simplify right side
    57,767.30x = 1,588,147,310.49
  5. Step 5: Solve for x
    x = 1,588,147,310.49/57,767.30
  6. Step 6: Final answer
    x = 27,492.15

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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.