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Finding the Fourth Proportional to 2,355.87, 3,530.81 and 967.64

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Solution

The fourth proportional to 2,355.87, 3,530.81 and 967.64 is: 1,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.87 : 3,530.81 = 967.64 : x
  2. Step 2: Convert to fraction form
    2,355.87/3,530.81 = 967.64/x
  3. Step 3: Cross multiply
    2,355.87x = 3,530.81 × 967.64
  4. Step 4: Simplify right side
    2,355.87x = 3,416,530.50
  5. Step 5: Solve for x
    x = 3,416,530.50/2,355.87
  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.