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Finding the Fourth Proportional to 57,673.70, 86,522.70 and 18,234.80

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Solution

The fourth proportional to 57,673.70, 86,522.70 and 18,234.80 is: 27,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,673.70 : 86,522.70 = 18,234.80 : x
  2. Step 2: Convert to fraction form
    57,673.70/86,522.70 = 18,234.80/x
  3. Step 3: Cross multiply
    57,673.70x = 86,522.70 × 18,234.80
  4. Step 4: Simplify right side
    57,673.70x = 1,577,724,129.96
  5. Step 5: Solve for x
    x = 1,577,724,129.96/57,673.70
  6. Step 6: Final answer
    x = 27,356.04

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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.