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Finding the Fourth Proportional to 34,489.96, 51,800.54 and 21,433.56

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Solution

The fourth proportional to 34,489.96, 51,800.54 and 21,433.56 is: 32,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,489.96 : 51,800.54 = 21,433.56 : x
  2. Step 2: Convert to fraction form
    34,489.96/51,800.54 = 21,433.56/x
  3. Step 3: Cross multiply
    34,489.96x = 51,800.54 × 21,433.56
  4. Step 4: Simplify right side
    34,489.96x = 1,110,269,982.12
  5. Step 5: Solve for x
    x = 1,110,269,982.12/34,489.96
  6. Step 6: Final answer
    x = 32,191.11

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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.