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Finding the Fourth Proportional to 36,143.42, 54,209.21 and 9,850.21

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Solution

The fourth proportional to 36,143.42, 54,209.21 and 9,850.21 is: 14,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.42 : 54,209.21 = 9,850.21 : x
  2. Step 2: Convert to fraction form
    36,143.42/54,209.21 = 9,850.21/x
  3. Step 3: Cross multiply
    36,143.42x = 54,209.21 × 9,850.21
  4. Step 4: Simplify right side
    36,143.42x = 533,971,917.66
  5. Step 5: Solve for x
    x = 533,971,917.66/36,143.42
  6. Step 6: Final answer
    x = 14,773.70

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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.