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Finding the Fourth Proportional to 36,134.80, 54,201.90 and 9,839.50

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Solution

The fourth proportional to 36,134.80, 54,201.90 and 9,839.50 is: 14,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.80 : 54,201.90 = 9,839.50 : x
  2. Step 2: Convert to fraction form
    36,134.80/54,201.90 = 9,839.50/x
  3. Step 3: Cross multiply
    36,134.80x = 54,201.90 × 9,839.50
  4. Step 4: Simplify right side
    36,134.80x = 533,319,595.05
  5. Step 5: Solve for x
    x = 533,319,595.05/36,134.80
  6. Step 6: Final answer
    x = 14,759.17

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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.