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Finding the Fourth Proportional to 1,446.62, 2,168.64 and 625.01

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Solution

The fourth proportional to 1,446.62, 2,168.64 and 625.01 is: 936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.62 : 2,168.64 = 625.01 : x
  2. Step 2: Convert to fraction form
    1,446.62/2,168.64 = 625.01/x
  3. Step 3: Cross multiply
    1,446.62x = 2,168.64 × 625.01
  4. Step 4: Simplify right side
    1,446.62x = 1,355,410.84
  5. Step 5: Solve for x
    x = 1,355,410.84/1,446.62
  6. Step 6: Final answer
    x = 936.95

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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.