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Finding the Fourth Proportional to 12,073.73, 18,110.73 and 3,753.54

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Solution

The fourth proportional to 12,073.73, 18,110.73 and 3,753.54 is: 5,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.73 : 18,110.73 = 3,753.54 : x
  2. Step 2: Convert to fraction form
    12,073.73/18,110.73 = 3,753.54/x
  3. Step 3: Cross multiply
    12,073.73x = 18,110.73 × 3,753.54
  4. Step 4: Simplify right side
    12,073.73x = 67,979,349.48
  5. Step 5: Solve for x
    x = 67,979,349.48/12,073.73
  6. Step 6: Final answer
    x = 5,630.35

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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.