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Finding the Fourth Proportional to 55,892.66, 83,821.19 and 18,445.73

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Solution

The fourth proportional to 55,892.66, 83,821.19 and 18,445.73 is: 27,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,892.66 : 83,821.19 = 18,445.73 : x
  2. Step 2: Convert to fraction form
    55,892.66/83,821.19 = 18,445.73/x
  3. Step 3: Cross multiply
    55,892.66x = 83,821.19 × 18,445.73
  4. Step 4: Simplify right side
    55,892.66x = 1,546,142,527.68
  5. Step 5: Solve for x
    x = 1,546,142,527.68/55,892.66
  6. Step 6: Final answer
    x = 27,662.71

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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.