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Finding the Fourth Proportional to 36,330.70, 54,455.55 and 14,136.70

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Solution

The fourth proportional to 36,330.70, 54,455.55 and 14,136.70 is: 21,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,330.70 : 54,455.55 = 14,136.70 : x
  2. Step 2: Convert to fraction form
    36,330.70/54,455.55 = 14,136.70/x
  3. Step 3: Cross multiply
    36,330.70x = 54,455.55 × 14,136.70
  4. Step 4: Simplify right side
    36,330.70x = 769,821,773.69
  5. Step 5: Solve for x
    x = 769,821,773.69/36,330.70
  6. Step 6: Final answer
    x = 21,189.29

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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.