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Finding the Fourth Proportional to 73,732.89, 110,599.31 and 18,328.89

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Solution

The fourth proportional to 73,732.89, 110,599.31 and 18,328.89 is: 27,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,732.89 : 110,599.31 = 18,328.89 : x
  2. Step 2: Convert to fraction form
    73,732.89/110,599.31 = 18,328.89/x
  3. Step 3: Cross multiply
    73,732.89x = 110,599.31 × 18,328.89
  4. Step 4: Simplify right side
    73,732.89x = 2,027,162,495.42
  5. Step 5: Solve for x
    x = 2,027,162,495.42/73,732.89
  6. Step 6: Final answer
    x = 27,493.33

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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.