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Finding the Fourth Proportional to 36,266.70, 54,415.53 and 20,483.58

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Solution

The fourth proportional to 36,266.70, 54,415.53 and 20,483.58 is: 30,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,266.70 : 54,415.53 = 20,483.58 : x
  2. Step 2: Convert to fraction form
    36,266.70/54,415.53 = 20,483.58/x
  3. Step 3: Cross multiply
    36,266.70x = 54,415.53 × 20,483.58
  4. Step 4: Simplify right side
    36,266.70x = 1,114,625,074.85
  5. Step 5: Solve for x
    x = 1,114,625,074.85/36,266.70
  6. Step 6: Final answer
    x = 30,734.12

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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.