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Finding the Fourth Proportional to 3,564.84, 5,346.60 and 967.98

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Solution

The fourth proportional to 3,564.84, 5,346.60 and 967.98 is: 1,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.84 : 5,346.60 = 967.98 : x
  2. Step 2: Convert to fraction form
    3,564.84/5,346.60 = 967.98/x
  3. Step 3: Cross multiply
    3,564.84x = 5,346.60 × 967.98
  4. Step 4: Simplify right side
    3,564.84x = 5,175,401.87
  5. Step 5: Solve for x
    x = 5,175,401.87/3,564.84
  6. Step 6: Final answer
    x = 1,451.79

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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.