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Finding the Fourth Proportional to 7,236.68, 10,855.02 and 3,773.12

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Solution

The fourth proportional to 7,236.68, 10,855.02 and 3,773.12 is: 5,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.68 : 10,855.02 = 3,773.12 : x
  2. Step 2: Convert to fraction form
    7,236.68/10,855.02 = 3,773.12/x
  3. Step 3: Cross multiply
    7,236.68x = 10,855.02 × 3,773.12
  4. Step 4: Simplify right side
    7,236.68x = 40,957,293.06
  5. Step 5: Solve for x
    x = 40,957,293.06/7,236.68
  6. Step 6: Final answer
    x = 5,659.68

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Half scale
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Double scale
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Similar ratio
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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.