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Finding the Fourth Proportional to 36,535.89, 50,419.50 and 19,768.89

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Solution

The fourth proportional to 36,535.89, 50,419.50 and 19,768.89 is: 27,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,535.89 : 50,419.50 = 19,768.89 : x
  2. Step 2: Convert to fraction form
    36,535.89/50,419.50 = 19,768.89/x
  3. Step 3: Cross multiply
    36,535.89x = 50,419.50 × 19,768.89
  4. Step 4: Simplify right side
    36,535.89x = 996,737,549.36
  5. Step 5: Solve for x
    x = 996,737,549.36/36,535.89
  6. Step 6: Final answer
    x = 27,281.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.