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Finding the Fourth Proportional to 1,452.60, 2,179.38 and 966.60

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Solution

The fourth proportional to 1,452.60, 2,179.38 and 966.60 is: 1,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.60 : 2,179.38 = 966.60 : x
  2. Step 2: Convert to fraction form
    1,452.60/2,179.38 = 966.60/x
  3. Step 3: Cross multiply
    1,452.60x = 2,179.38 × 966.60
  4. Step 4: Simplify right side
    1,452.60x = 2,106,588.71
  5. Step 5: Solve for x
    x = 2,106,588.71/1,452.60
  6. Step 6: Final answer
    x = 1,450.22

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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.