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Finding the Fourth Proportional to 36,504.20, 54,715.80 and 14,310.20

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Solution

The fourth proportional to 36,504.20, 54,715.80 and 14,310.20 is: 21,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,504.20 : 54,715.80 = 14,310.20 : x
  2. Step 2: Convert to fraction form
    36,504.20/54,715.80 = 14,310.20/x
  3. Step 3: Cross multiply
    36,504.20x = 54,715.80 × 14,310.20
  4. Step 4: Simplify right side
    36,504.20x = 782,994,041.16
  5. Step 5: Solve for x
    x = 782,994,041.16/36,504.20
  6. Step 6: Final answer
    x = 21,449.42

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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.