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Finding the Fourth Proportional to 2,914.33, 4,369.11 and 1,355.30

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Solution

The fourth proportional to 2,914.33, 4,369.11 and 1,355.30 is: 2,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.33 : 4,369.11 = 1,355.30 : x
  2. Step 2: Convert to fraction form
    2,914.33/4,369.11 = 1,355.30/x
  3. Step 3: Cross multiply
    2,914.33x = 4,369.11 × 1,355.30
  4. Step 4: Simplify right side
    2,914.33x = 5,921,448.01
  5. Step 5: Solve for x
    x = 5,921,448.01/2,914.33
  6. Step 6: Final answer
    x = 2,031.84

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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.