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Finding the Fourth Proportional to 9,083.55, 12,540.88 and 7,202.73

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Solution

The fourth proportional to 9,083.55, 12,540.88 and 7,202.73 is: 9,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,083.55 : 12,540.88 = 7,202.73 : x
  2. Step 2: Convert to fraction form
    9,083.55/12,540.88 = 7,202.73/x
  3. Step 3: Cross multiply
    9,083.55x = 12,540.88 × 7,202.73
  4. Step 4: Simplify right side
    9,083.55x = 90,328,572.60
  5. Step 5: Solve for x
    x = 90,328,572.60/9,083.55
  6. Step 6: Final answer
    x = 9,944.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.