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Finding the Fourth Proportional to 36,353.98, 54,530.99 and 11,395.99

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Solution

The fourth proportional to 36,353.98, 54,530.99 and 11,395.99 is: 17,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.98 : 54,530.99 = 11,395.99 : x
  2. Step 2: Convert to fraction form
    36,353.98/54,530.99 = 11,395.99/x
  3. Step 3: Cross multiply
    36,353.98x = 54,530.99 × 11,395.99
  4. Step 4: Simplify right side
    36,353.98x = 621,434,559.75
  5. Step 5: Solve for x
    x = 621,434,559.75/36,353.98
  6. Step 6: Final answer
    x = 17,093.99

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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.