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Finding the Fourth Proportional to 57,456.60, 86,184.90 and 18,016.89

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Solution

The fourth proportional to 57,456.60, 86,184.90 and 18,016.89 is: 27,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456.60 : 86,184.90 = 18,016.89 : x
  2. Step 2: Convert to fraction form
    57,456.60/86,184.90 = 18,016.89/x
  3. Step 3: Cross multiply
    57,456.60x = 86,184.90 × 18,016.89
  4. Step 4: Simplify right side
    57,456.60x = 1,552,783,472.20
  5. Step 5: Solve for x
    x = 1,552,783,472.20/57,456.60
  6. Step 6: Final answer
    x = 27,025.33

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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.