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Finding the Fourth Proportional to 34,327.70, 51,489.84 and 20,104.17

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Solution

The fourth proportional to 34,327.70, 51,489.84 and 20,104.17 is: 30,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,327.70 : 51,489.84 = 20,104.17 : x
  2. Step 2: Convert to fraction form
    34,327.70/51,489.84 = 20,104.17/x
  3. Step 3: Cross multiply
    34,327.70x = 51,489.84 × 20,104.17
  4. Step 4: Simplify right side
    34,327.70x = 1,035,160,402.73
  5. Step 5: Solve for x
    x = 1,035,160,402.73/34,327.70
  6. Step 6: Final answer
    x = 30,155.25

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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.