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Finding the Fourth Proportional to 18,030.74, 27,073.83 and 16,074.74

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Solution

The fourth proportional to 18,030.74, 27,073.83 and 16,074.74 is: 24,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.74 : 27,073.83 = 16,074.74 : x
  2. Step 2: Convert to fraction form
    18,030.74/27,073.83 = 16,074.74/x
  3. Step 3: Cross multiply
    18,030.74x = 27,073.83 × 16,074.74
  4. Step 4: Simplify right side
    18,030.74x = 435,204,845.74
  5. Step 5: Solve for x
    x = 435,204,845.74/18,030.74
  6. Step 6: Final answer
    x = 24,136.82

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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.