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Finding the Fourth Proportional to 18,023.74, 27,039.33 and 6,178.41

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Solution

The fourth proportional to 18,023.74, 27,039.33 and 6,178.41 is: 9,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.74 : 27,039.33 = 6,178.41 : x
  2. Step 2: Convert to fraction form
    18,023.74/27,039.33 = 6,178.41/x
  3. Step 3: Cross multiply
    18,023.74x = 27,039.33 × 6,178.41
  4. Step 4: Simplify right side
    18,023.74x = 167,060,066.87
  5. Step 5: Solve for x
    x = 167,060,066.87/18,023.74
  6. Step 6: Final answer
    x = 9,268.89

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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.