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Finding the Fourth Proportional to 3,594.36, 5,391.52 and 2,865.36

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Solution

The fourth proportional to 3,594.36, 5,391.52 and 2,865.36 is: 4,298.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,594.36 : 5,391.52 = 2,865.36 : x
  2. Step 2: Convert to fraction form
    3,594.36/5,391.52 = 2,865.36/x
  3. Step 3: Cross multiply
    3,594.36x = 5,391.52 × 2,865.36
  4. Step 4: Simplify right side
    3,594.36x = 15,448,645.75
  5. Step 5: Solve for x
    x = 15,448,645.75/3,594.36
  6. Step 6: Final answer
    x = 4,298.02

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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.