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Finding the Fourth Proportional to 74,253.46, 111,380.16 and 21,662.92

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Solution

The fourth proportional to 74,253.46, 111,380.16 and 21,662.92 is: 32,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,253.46 : 111,380.16 = 21,662.92 : x
  2. Step 2: Convert to fraction form
    74,253.46/111,380.16 = 21,662.92/x
  3. Step 3: Cross multiply
    74,253.46x = 111,380.16 × 21,662.92
  4. Step 4: Simplify right side
    74,253.46x = 2,412,819,495.67
  5. Step 5: Solve for x
    x = 2,412,819,495.67/74,253.46
  6. Step 6: Final answer
    x = 32,494.37

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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.