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Finding the Fourth Proportional to 36,609.70, 54,914.55 and 21,835.30

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Solution

The fourth proportional to 36,609.70, 54,914.55 and 21,835.30 is: 32,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.70 : 54,914.55 = 21,835.30 : x
  2. Step 2: Convert to fraction form
    36,609.70/54,914.55 = 21,835.30/x
  3. Step 3: Cross multiply
    36,609.70x = 54,914.55 × 21,835.30
  4. Step 4: Simplify right side
    36,609.70x = 1,199,075,673.62
  5. Step 5: Solve for x
    x = 1,199,075,673.62/36,609.70
  6. Step 6: Final answer
    x = 32,752.95

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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.