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Finding the Fourth Proportional to 74,671.62, 111,993.93 and 32,528.10

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Solution

The fourth proportional to 74,671.62, 111,993.93 and 32,528.10 is: 48,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,671.62 : 111,993.93 = 32,528.10 : x
  2. Step 2: Convert to fraction form
    74,671.62/111,993.93 = 32,528.10/x
  3. Step 3: Cross multiply
    74,671.62x = 111,993.93 × 32,528.10
  4. Step 4: Simplify right side
    74,671.62x = 3,642,949,754.43
  5. Step 5: Solve for x
    x = 3,642,949,754.43/74,671.62
  6. Step 6: Final answer
    x = 48,786.27

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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.