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Finding the Fourth Proportional to 74,664.62, 111,994.88 and 32,544.67

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Solution

The fourth proportional to 74,664.62, 111,994.88 and 32,544.67 is: 48,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.62 : 111,994.88 = 32,544.67 : x
  2. Step 2: Convert to fraction form
    74,664.62/111,994.88 = 32,544.67/x
  3. Step 3: Cross multiply
    74,664.62x = 111,994.88 × 32,544.67
  4. Step 4: Simplify right side
    74,664.62x = 3,644,836,248.57
  5. Step 5: Solve for x
    x = 3,644,836,248.57/74,664.62
  6. Step 6: Final answer
    x = 48,816.11

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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.